220458420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:391

約数の個数: 288

約数和(自身を含む): 844876032

約数和(自身を除く): 624417612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 43, 45, 52, 60, 63, 65, 70, 78, 84, 86, 90, 91, 105, 117, 126, 129, 130, 140, 156, 172, 180, 182, 195, 210, 215, 234, 252, 258, 260, 273, 301, 313, 315, 364, 387, 390, 420, 430, 455, 468, 516, 546, 559, 585, 602, 626, 630, 645, 774, 780, 819, 860, 903, 910, 939, 1092, 1118, 1170, 1204, 1252, 1260, 1290, 1365, 1505, 1548, 1565, 1638, 1677, 1806, 1820, 1878, 1935, 2191, 2236, 2340, 2580, 2709, 2730, 2795, 2817, 3010, 3130, 3276, 3354, 3612, 3756, 3870, 3913, 4069, 4095, 4382, 4515, 4695, 5031, 5418, 5460, 5590, 5634, 6020, 6260, 6573, 6708, 7740, 7826, 8138, 8190, 8385, 8764, 9030, 9390, 10062, 10836, 10955, 11180, 11268, 11739, 12207, 13146, 13459, 13545, 14085, 15652, 16276, 16380, 16770, 18060, 18780, 19565, 19719, 20124, 20345, 21910, 23478, 24414, 25155, 26292, 26918, 27090, 28170, 28483, 32865, 33540, 35217, 36621, 39130, 39438, 40377, 40690, 43820, 46956, 48828, 50310, 53836, 54180, 56340, 56966, 58695, 61035, 65730, 67295, 70434, 73242, 78260, 78876, 80754, 81380, 85449, 94213, 98595, 100620, 113932, 117390, 121131, 122070, 131460, 134590, 140868, 142415, 146484, 161508, 170898, 174967, 176085, 183105, 188426, 197190, 201885, 234780, 242262, 244140, 256347, 269180, 282639, 284830, 341796, 349934, 352170, 366210, 376852, 394380, 403770, 427245, 471065, 484524, 512694, 524901, 565278, 569660, 605655, 699868, 704340, 732420, 807540, 847917, 854490, 874835, 942130, 1025388, 1049802, 1130556, 1211310, 1224769, 1281735, 1413195, 1574703, 1695834, 1708980, 1749670, 1884260, 2099604, 2422620, 2449538, 2563470, 2624505, 2826390, 3149406, 3391668, 3499340, 3674307, 4239585, 4899076, 5126940, 5249010, 5652780, 6123845, 6298812, 7348614, 7873515, 8479170, 10498020, 11022921, 12247690, 14697228, 15747030, 16958340, 18371535, 22045842, 24495380, 31494060, 36743070, 44091684, 55114605, 73486140, 110229210, 220458420]

約数ペア:

[(1, 220458420), (2, 110229210), (3, 73486140), (4, 55114605), (5, 44091684), (6, 36743070), (7, 31494060), (9, 24495380), (10, 22045842), (12, 18371535), (13, 16958340), (14, 15747030), (15, 14697228), (18, 12247690), (20, 11022921), (21, 10498020), (26, 8479170), (28, 7873515), (30, 7348614), (35, 6298812), (36, 6123845), (39, 5652780), (42, 5249010), (43, 5126940), (45, 4899076), (52, 4239585), (60, 3674307), (63, 3499340), (65, 3391668), (70, 3149406), (78, 2826390), (84, 2624505), (86, 2563470), (90, 2449538), (91, 2422620), (105, 2099604), (117, 1884260), (126, 1749670), (129, 1708980), (130, 1695834), (140, 1574703), (156, 1413195), (172, 1281735), (180, 1224769), (182, 1211310), (195, 1130556), (210, 1049802), (215, 1025388), (234, 942130), (252, 874835), (258, 854490), (260, 847917), (273, 807540), (301, 732420), (313, 704340), (315, 699868), (364, 605655), (387, 569660), (390, 565278), (420, 524901), (430, 512694), (455, 484524), (468, 471065), (516, 427245), (546, 403770), (559, 394380), (585, 376852), (602, 366210), (626, 352170), (630, 349934), (645, 341796), (774, 284830), (780, 282639), (819, 269180), (860, 256347), (903, 244140), (910, 242262), (939, 234780), (1092, 201885), (1118, 197190), (1170, 188426), (1204, 183105), (1252, 176085), (1260, 174967), (1290, 170898), (1365, 161508), (1505, 146484), (1548, 142415), (1565, 140868), (1638, 134590), (1677, 131460), (1806, 122070), (1820, 121131), (1878, 117390), (1935, 113932), (2191, 100620), (2236, 98595), (2340, 94213), (2580, 85449), (2709, 81380), (2730, 80754), (2795, 78876), (2817, 78260), (3010, 73242), (3130, 70434), (3276, 67295), (3354, 65730), (3612, 61035), (3756, 58695), (3870, 56966), (3913, 56340), (4069, 54180), (4095, 53836), (4382, 50310), (4515, 48828), (4695, 46956), (5031, 43820), (5418, 40690), (5460, 40377), (5590, 39438), (5634, 39130), (6020, 36621), (6260, 35217), (6573, 33540), (6708, 32865), (7740, 28483), (7826, 28170), (8138, 27090), (8190, 26918), (8385, 26292), (8764, 25155), (9030, 24414), (9390, 23478), (10062, 21910), (10836, 20345), (10955, 20124), (11180, 19719), (11268, 19565), (11739, 18780), (12207, 18060), (13146, 16770), (13459, 16380), (13545, 16276), (14085, 15652)]