1997824920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9629}}^1$

素因数の和:9682

約数の個数: 256

約数和(自身を含む): 7765632000

約数和(自身を除く): 5767807080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 760, 780, 798, 840, 910, 988, 1064, 1092, 1140, 1235, 1330, 1365, 1482, 1560, 1596, 1729, 1820, 1976, 1995, 2184, 2280, 2470, 2660, 2730, 2964, 3192, 3458, 3640, 3705, 3990, 4940, 5187, 5320, 5460, 5928, 6916, 7410, 7980, 8645, 9629, 9880, 10374, 10920, 13832, 14820, 15960, 17290, 19258, 20748, 25935, 28887, 29640, 34580, 38516, 41496, 48145, 51870, 57774, 67403, 69160, 77032, 96290, 103740, 115548, 125177, 134806, 144435, 182951, 192580, 202209, 207480, 231096, 250354, 269612, 288870, 337015, 365902, 375531, 385160, 404418, 500708, 539224, 548853, 577740, 625885, 674030, 731804, 751062, 808836, 876239, 914755, 1001416, 1011045, 1097706, 1155480, 1251770, 1280657, 1348060, 1463608, 1502124, 1617672, 1752478, 1829510, 1877655, 2022090, 2195412, 2378363, 2503540, 2561314, 2628717, 2696120, 2744265, 3004248, 3504956, 3659020, 3755310, 3841971, 4044180, 4381195, 4390824, 4756726, 5007080, 5122628, 5257434, 5488530, 6403285, 7009912, 7135089, 7318040, 7510620, 7683942, 8088360, 8762390, 9513452, 10245256, 10514868, 10977060, 11891815, 12806570, 13143585, 14270178, 15021240, 15367884, 16648541, 17524780, 19026904, 19209855, 21029736, 21954120, 23783630, 25613140, 26287170, 28540356, 30735768, 33297082, 35049560, 35675445, 38419710, 47567260, 49945623, 51226280, 52574340, 57080712, 66594164, 71350890, 76839420, 83242705, 95134520, 99891246, 105148680, 133188328, 142701780, 153678840, 166485410, 199782492, 249728115, 285403560, 332970820, 399564984, 499456230, 665941640, 998912460, 1997824920]

約数ペア:

[(1, 1997824920), (2, 998912460), (3, 665941640), (4, 499456230), (5, 399564984), (6, 332970820), (7, 285403560), (8, 249728115), (10, 199782492), (12, 166485410), (13, 153678840), (14, 142701780), (15, 133188328), (19, 105148680), (20, 99891246), (21, 95134520), (24, 83242705), (26, 76839420), (28, 71350890), (30, 66594164), (35, 57080712), (38, 52574340), (39, 51226280), (40, 49945623), (42, 47567260), (52, 38419710), (56, 35675445), (57, 35049560), (60, 33297082), (65, 30735768), (70, 28540356), (76, 26287170), (78, 25613140), (84, 23783630), (91, 21954120), (95, 21029736), (104, 19209855), (105, 19026904), (114, 17524780), (120, 16648541), (130, 15367884), (133, 15021240), (140, 14270178), (152, 13143585), (156, 12806570), (168, 11891815), (182, 10977060), (190, 10514868), (195, 10245256), (210, 9513452), (228, 8762390), (247, 8088360), (260, 7683942), (266, 7510620), (273, 7318040), (280, 7135089), (285, 7009912), (312, 6403285), (364, 5488530), (380, 5257434), (390, 5122628), (399, 5007080), (420, 4756726), (455, 4390824), (456, 4381195), (494, 4044180), (520, 3841971), (532, 3755310), (546, 3659020), (570, 3504956), (665, 3004248), (728, 2744265), (741, 2696120), (760, 2628717), (780, 2561314), (798, 2503540), (840, 2378363), (910, 2195412), (988, 2022090), (1064, 1877655), (1092, 1829510), (1140, 1752478), (1235, 1617672), (1330, 1502124), (1365, 1463608), (1482, 1348060), (1560, 1280657), (1596, 1251770), (1729, 1155480), (1820, 1097706), (1976, 1011045), (1995, 1001416), (2184, 914755), (2280, 876239), (2470, 808836), (2660, 751062), (2730, 731804), (2964, 674030), (3192, 625885), (3458, 577740), (3640, 548853), (3705, 539224), (3990, 500708), (4940, 404418), (5187, 385160), (5320, 375531), (5460, 365902), (5928, 337015), (6916, 288870), (7410, 269612), (7980, 250354), (8645, 231096), (9629, 207480), (9880, 202209), (10374, 192580), (10920, 182951), (13832, 144435), (14820, 134806), (15960, 125177), (17290, 115548), (19258, 103740), (20748, 96290), (25935, 77032), (28887, 69160), (29640, 67403), (34580, 57774), (38516, 51870), (41496, 48145)]