20158642560

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65213}}^1$

素因数の和:65265

約数の個数: 256

約数和(自身を含む): 76629058560

約数和(自身を除く): 56470416000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 276, 280, 320, 322, 336, 345, 368, 384, 420, 448, 460, 480, 483, 552, 560, 640, 644, 672, 690, 736, 805, 840, 896, 920, 960, 966, 1104, 1120, 1288, 1344, 1380, 1472, 1610, 1680, 1840, 1920, 1932, 2208, 2240, 2415, 2576, 2688, 2760, 2944, 3220, 3360, 3680, 3864, 4416, 4480, 4830, 5152, 5520, 6440, 6720, 7360, 7728, 8832, 9660, 10304, 11040, 12880, 13440, 14720, 15456, 19320, 20608, 22080, 25760, 30912, 38640, 44160, 51520, 61824, 65213, 77280, 103040, 130426, 154560, 195639, 260852, 309120, 326065, 391278, 456491, 521704, 652130, 782556, 912982, 978195, 1043408, 1304260, 1369473, 1499899, 1565112, 1825964, 1956390, 2086816, 2282455, 2608520, 2738946, 2999798, 3130224, 3651928, 3912780, 4173632, 4499697, 4564910, 5217040, 5477892, 5999596, 6260448, 6847365, 7303856, 7499495, 7825560, 8347264, 8999394, 9129820, 10434080, 10499293, 10955784, 11999192, 12520896, 13694730, 14607712, 14998990, 15651120, 17998788, 18259640, 20868160, 20998586, 21911568, 22498485, 23998384, 25041792, 27389460, 29215424, 29997980, 31302240, 31497879, 35997576, 36519280, 41736320, 41997172, 43823136, 44996970, 47996768, 52496465, 54778920, 58430848, 59995960, 62604480, 62995758, 71995152, 73038560, 83994344, 87646272, 89993940, 95993536, 104992930, 109557840, 119991920, 125208960, 125991516, 143990304, 146077120, 157489395, 167988688, 175292544, 179987880, 191987072, 209985860, 219115680, 239983840, 251983032, 287980608, 292154240, 314978790, 335977376, 359975760, 419971720, 438231360, 479967680, 503966064, 575961216, 629957580, 671954752, 719951520, 839943440, 876462720, 959935360, 1007932128, 1259915160, 1343909504, 1439903040, 1679886880, 2015864256, 2519830320, 2879806080, 3359773760, 4031728512, 5039660640, 6719547520, 10079321280, 20158642560]

約数ペア:

[(1, 20158642560), (2, 10079321280), (3, 6719547520), (4, 5039660640), (5, 4031728512), (6, 3359773760), (7, 2879806080), (8, 2519830320), (10, 2015864256), (12, 1679886880), (14, 1439903040), (15, 1343909504), (16, 1259915160), (20, 1007932128), (21, 959935360), (23, 876462720), (24, 839943440), (28, 719951520), (30, 671954752), (32, 629957580), (35, 575961216), (40, 503966064), (42, 479967680), (46, 438231360), (48, 419971720), (56, 359975760), (60, 335977376), (64, 314978790), (69, 292154240), (70, 287980608), (80, 251983032), (84, 239983840), (92, 219115680), (96, 209985860), (105, 191987072), (112, 179987880), (115, 175292544), (120, 167988688), (128, 157489395), (138, 146077120), (140, 143990304), (160, 125991516), (161, 125208960), (168, 119991920), (184, 109557840), (192, 104992930), (210, 95993536), (224, 89993940), (230, 87646272), (240, 83994344), (276, 73038560), (280, 71995152), (320, 62995758), (322, 62604480), (336, 59995960), (345, 58430848), (368, 54778920), (384, 52496465), (420, 47996768), (448, 44996970), (460, 43823136), (480, 41997172), (483, 41736320), (552, 36519280), (560, 35997576), (640, 31497879), (644, 31302240), (672, 29997980), (690, 29215424), (736, 27389460), (805, 25041792), (840, 23998384), (896, 22498485), (920, 21911568), (960, 20998586), (966, 20868160), (1104, 18259640), (1120, 17998788), (1288, 15651120), (1344, 14998990), (1380, 14607712), (1472, 13694730), (1610, 12520896), (1680, 11999192), (1840, 10955784), (1920, 10499293), (1932, 10434080), (2208, 9129820), (2240, 8999394), (2415, 8347264), (2576, 7825560), (2688, 7499495), (2760, 7303856), (2944, 6847365), (3220, 6260448), (3360, 5999596), (3680, 5477892), (3864, 5217040), (4416, 4564910), (4480, 4499697), (4830, 4173632), (5152, 3912780), (5520, 3651928), (6440, 3130224), (6720, 2999798), (7360, 2738946), (7728, 2608520), (8832, 2282455), (9660, 2086816), (10304, 1956390), (11040, 1825964), (12880, 1565112), (13440, 1499899), (14720, 1369473), (15456, 1304260), (19320, 1043408), (20608, 978195), (22080, 912982), (25760, 782556), (30912, 652130), (38640, 521704), (44160, 456491), (51520, 391278), (61824, 326065), (65213, 309120), (77280, 260852), (103040, 195639), (130426, 154560)]