1901978520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:426

約数の個数: 256

約数和(自身を含む): 6370721280

約数和(自身を除く): 4468742760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 41, 52, 60, 65, 78, 82, 104, 120, 123, 130, 131, 156, 164, 195, 205, 227, 246, 260, 262, 312, 328, 390, 393, 410, 454, 492, 520, 524, 533, 615, 655, 681, 780, 786, 820, 908, 984, 1048, 1066, 1135, 1230, 1310, 1362, 1560, 1572, 1599, 1640, 1703, 1816, 1965, 2132, 2270, 2460, 2620, 2665, 2724, 2951, 3144, 3198, 3405, 3406, 3930, 4264, 4540, 4920, 5109, 5240, 5330, 5371, 5448, 5902, 6396, 6810, 6812, 7860, 7995, 8515, 8853, 9080, 9307, 10218, 10660, 10742, 11804, 12792, 13620, 13624, 14755, 15720, 15990, 16113, 17030, 17706, 18614, 20436, 21320, 21484, 23608, 25545, 26855, 27240, 27921, 29510, 29737, 31980, 32226, 34060, 35412, 37228, 40872, 42968, 44265, 46535, 51090, 53710, 55842, 59020, 59474, 63960, 64452, 68120, 69823, 70824, 74456, 80565, 88530, 89211, 93070, 102180, 107420, 111684, 118040, 118948, 120991, 128904, 139605, 139646, 148685, 161130, 177060, 178422, 186140, 204360, 209469, 214840, 223368, 237896, 241982, 279210, 279292, 297370, 322260, 349115, 354120, 356844, 362973, 372280, 386581, 418938, 446055, 483964, 558420, 558584, 594740, 604955, 644520, 698230, 713688, 725946, 773162, 837876, 892110, 967928, 1047345, 1116840, 1159743, 1189480, 1209910, 1219217, 1396460, 1451892, 1546324, 1675752, 1784220, 1814865, 1932905, 2094690, 2319486, 2419820, 2438434, 2792920, 2903784, 3092648, 3568440, 3629730, 3657651, 3865810, 4189380, 4638972, 4839640, 4876868, 5798715, 6096085, 7259460, 7315302, 7731620, 8378760, 9277944, 9753736, 11597430, 12192170, 14518920, 14630604, 15463240, 15849821, 18288255, 23194860, 24384340, 29261208, 31699642, 36576510, 46389720, 47549463, 48768680, 63399284, 73153020, 79249105, 95098926, 126798568, 146306040, 158498210, 190197852, 237747315, 316996420, 380395704, 475494630, 633992840, 950989260, 1901978520]

約数ペア:

[(1, 1901978520), (2, 950989260), (3, 633992840), (4, 475494630), (5, 380395704), (6, 316996420), (8, 237747315), (10, 190197852), (12, 158498210), (13, 146306040), (15, 126798568), (20, 95098926), (24, 79249105), (26, 73153020), (30, 63399284), (39, 48768680), (40, 47549463), (41, 46389720), (52, 36576510), (60, 31699642), (65, 29261208), (78, 24384340), (82, 23194860), (104, 18288255), (120, 15849821), (123, 15463240), (130, 14630604), (131, 14518920), (156, 12192170), (164, 11597430), (195, 9753736), (205, 9277944), (227, 8378760), (246, 7731620), (260, 7315302), (262, 7259460), (312, 6096085), (328, 5798715), (390, 4876868), (393, 4839640), (410, 4638972), (454, 4189380), (492, 3865810), (520, 3657651), (524, 3629730), (533, 3568440), (615, 3092648), (655, 2903784), (681, 2792920), (780, 2438434), (786, 2419820), (820, 2319486), (908, 2094690), (984, 1932905), (1048, 1814865), (1066, 1784220), (1135, 1675752), (1230, 1546324), (1310, 1451892), (1362, 1396460), (1560, 1219217), (1572, 1209910), (1599, 1189480), (1640, 1159743), (1703, 1116840), (1816, 1047345), (1965, 967928), (2132, 892110), (2270, 837876), (2460, 773162), (2620, 725946), (2665, 713688), (2724, 698230), (2951, 644520), (3144, 604955), (3198, 594740), (3405, 558584), (3406, 558420), (3930, 483964), (4264, 446055), (4540, 418938), (4920, 386581), (5109, 372280), (5240, 362973), (5330, 356844), (5371, 354120), (5448, 349115), (5902, 322260), (6396, 297370), (6810, 279292), (6812, 279210), (7860, 241982), (7995, 237896), (8515, 223368), (8853, 214840), (9080, 209469), (9307, 204360), (10218, 186140), (10660, 178422), (10742, 177060), (11804, 161130), (12792, 148685), (13620, 139646), (13624, 139605), (14755, 128904), (15720, 120991), (15990, 118948), (16113, 118040), (17030, 111684), (17706, 107420), (18614, 102180), (20436, 93070), (21320, 89211), (21484, 88530), (23608, 80565), (25545, 74456), (26855, 70824), (27240, 69823), (27921, 68120), (29510, 64452), (29737, 63960), (31980, 59474), (32226, 59020), (34060, 55842), (35412, 53710), (37228, 51090), (40872, 46535), (42968, 44265)]