20618111280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:876

約数の個数: 320

約数和(自身を含む): 70802468352

約数和(自身を除く): 50184357072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 43, 48, 52, 60, 65, 78, 80, 86, 104, 120, 129, 130, 156, 172, 195, 208, 215, 240, 258, 260, 312, 313, 344, 390, 430, 491, 516, 520, 559, 624, 626, 645, 688, 780, 860, 939, 982, 1032, 1040, 1118, 1252, 1290, 1473, 1560, 1565, 1677, 1720, 1878, 1964, 2064, 2236, 2455, 2504, 2580, 2795, 2946, 3120, 3130, 3354, 3440, 3756, 3928, 4069, 4472, 4695, 4910, 5008, 5160, 5590, 5892, 6260, 6383, 6708, 7365, 7512, 7856, 8138, 8385, 8944, 9390, 9820, 10320, 11180, 11784, 12207, 12520, 12766, 13416, 13459, 14730, 15024, 16276, 16770, 18780, 19149, 19640, 20345, 21113, 22360, 23568, 24414, 25040, 25532, 26832, 26918, 29460, 31915, 32552, 33540, 37560, 38298, 39280, 40377, 40690, 42226, 44720, 48828, 51064, 53836, 58920, 61035, 63339, 63830, 65104, 67080, 67295, 75120, 76596, 80754, 81380, 84452, 95745, 97656, 102128, 105565, 107672, 117840, 122070, 126678, 127660, 134160, 134590, 153192, 153683, 161508, 162760, 168904, 174967, 191490, 195312, 201885, 211130, 215344, 244140, 253356, 255320, 269180, 274469, 306384, 307366, 316695, 323016, 325520, 337808, 349934, 382980, 403770, 422260, 461049, 488280, 506712, 510640, 524901, 538360, 548938, 614732, 633390, 646032, 699868, 765960, 768415, 807540, 823407, 844520, 874835, 922098, 976560, 1013424, 1049802, 1076720, 1097876, 1229464, 1266780, 1372345, 1399736, 1531920, 1536830, 1615080, 1646814, 1689040, 1749670, 1844196, 1997879, 2099604, 2195752, 2305245, 2458928, 2533560, 2624505, 2744690, 2799472, 3073660, 3230160, 3293628, 3499340, 3688392, 3995758, 4117035, 4199208, 4391504, 4610490, 5067120, 5249010, 5489380, 5993637, 6147320, 6587256, 6608369, 6998680, 7376784, 7991516, 8234070, 8398416, 9220980, 9989395, 10498020, 10978760, 11987274, 12294640, 13174512, 13216738, 13997360, 15983032, 16468140, 18441960, 19825107, 19978790, 20996040, 21957520, 23974548, 26433476, 29968185, 31966064, 32936280, 33041845, 36883920, 39650214, 39957580, 41992080, 47949096, 52866952, 59936370, 65872560, 66083690, 79300428, 79915160, 85908797, 95898192, 99125535, 105733904, 119872740, 132167380, 158600856, 159830320, 171817594, 198251070, 239745480, 257726391, 264334760, 317201712, 343635188, 396502140, 429543985, 479490960, 515452782, 528669520, 687270376, 793004280, 859087970, 1030905564, 1288631955, 1374540752, 1586008560, 1718175940, 2061811128, 2577263910, 3436351880, 4123622256, 5154527820, 6872703760, 10309055640, 20618111280]

約数ペア:

[(1, 20618111280), (2, 10309055640), (3, 6872703760), (4, 5154527820), (5, 4123622256), (6, 3436351880), (8, 2577263910), (10, 2061811128), (12, 1718175940), (13, 1586008560), (15, 1374540752), (16, 1288631955), (20, 1030905564), (24, 859087970), (26, 793004280), (30, 687270376), (39, 528669520), (40, 515452782), (43, 479490960), (48, 429543985), (52, 396502140), (60, 343635188), (65, 317201712), (78, 264334760), (80, 257726391), (86, 239745480), (104, 198251070), (120, 171817594), (129, 159830320), (130, 158600856), (156, 132167380), (172, 119872740), (195, 105733904), (208, 99125535), (215, 95898192), (240, 85908797), (258, 79915160), (260, 79300428), (312, 66083690), (313, 65872560), (344, 59936370), (390, 52866952), (430, 47949096), (491, 41992080), (516, 39957580), (520, 39650214), (559, 36883920), (624, 33041845), (626, 32936280), (645, 31966064), (688, 29968185), (780, 26433476), (860, 23974548), (939, 21957520), (982, 20996040), (1032, 19978790), (1040, 19825107), (1118, 18441960), (1252, 16468140), (1290, 15983032), (1473, 13997360), (1560, 13216738), (1565, 13174512), (1677, 12294640), (1720, 11987274), (1878, 10978760), (1964, 10498020), (2064, 9989395), (2236, 9220980), (2455, 8398416), (2504, 8234070), (2580, 7991516), (2795, 7376784), (2946, 6998680), (3120, 6608369), (3130, 6587256), (3354, 6147320), (3440, 5993637), (3756, 5489380), (3928, 5249010), (4069, 5067120), (4472, 4610490), (4695, 4391504), (4910, 4199208), (5008, 4117035), (5160, 3995758), (5590, 3688392), (5892, 3499340), (6260, 3293628), (6383, 3230160), (6708, 3073660), (7365, 2799472), (7512, 2744690), (7856, 2624505), (8138, 2533560), (8385, 2458928), (8944, 2305245), (9390, 2195752), (9820, 2099604), (10320, 1997879), (11180, 1844196), (11784, 1749670), (12207, 1689040), (12520, 1646814), (12766, 1615080), (13416, 1536830), (13459, 1531920), (14730, 1399736), (15024, 1372345), (16276, 1266780), (16770, 1229464), (18780, 1097876), (19149, 1076720), (19640, 1049802), (20345, 1013424), (21113, 976560), (22360, 922098), (23568, 874835), (24414, 844520), (25040, 823407), (25532, 807540), (26832, 768415), (26918, 765960), (29460, 699868), (31915, 646032), (32552, 633390), (33540, 614732), (37560, 548938), (38298, 538360), (39280, 524901), (40377, 510640), (40690, 506712), (42226, 488280), (44720, 461049), (48828, 422260), (51064, 403770), (53836, 382980), (58920, 349934), (61035, 337808), (63339, 325520), (63830, 323016), (65104, 316695), (67080, 307366), (67295, 306384), (75120, 274469), (76596, 269180), (80754, 255320), (81380, 253356), (84452, 244140), (95745, 215344), (97656, 211130), (102128, 201885), (105565, 195312), (107672, 191490), (117840, 174967), (122070, 168904), (126678, 162760), (127660, 161508), (134160, 153683), (134590, 153192)]