689481780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1$

素因数の和:466

約数の個数: 192

約数和(自身を含む): 2168694528

約数和(自身を除く): 1479212748

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 43, 52, 60, 61, 65, 78, 86, 122, 129, 130, 156, 172, 183, 195, 215, 244, 258, 260, 305, 337, 366, 390, 430, 516, 559, 610, 645, 674, 732, 780, 793, 860, 915, 1011, 1118, 1220, 1290, 1348, 1586, 1677, 1685, 1830, 2022, 2236, 2379, 2580, 2623, 2795, 3172, 3354, 3370, 3660, 3965, 4044, 4381, 4758, 5055, 5246, 5590, 6708, 6740, 7869, 7930, 8385, 8762, 9516, 10110, 10492, 11180, 11895, 13115, 13143, 14491, 15738, 15860, 16770, 17524, 20220, 20557, 21905, 23790, 26230, 26286, 28982, 31476, 33540, 34099, 39345, 41114, 43473, 43810, 47580, 52460, 52572, 57964, 61671, 65715, 68198, 72455, 78690, 82228, 86946, 87620, 102297, 102785, 123342, 131430, 136396, 144910, 157380, 170495, 173892, 188383, 204594, 205570, 217365, 246684, 262860, 267241, 289820, 308355, 340990, 376766, 409188, 411140, 434730, 511485, 534482, 565149, 616710, 681980, 753532, 801723, 869460, 883951, 941915, 1022970, 1068964, 1130298, 1233420, 1336205, 1603446, 1767902, 1883830, 2045940, 2260596, 2651853, 2672410, 2825745, 3206892, 3535804, 3767660, 4008615, 4419755, 5303706, 5344820, 5651490, 8017230, 8839510, 10607412, 11302980, 11491363, 13259265, 16034460, 17679020, 22982726, 26518530, 34474089, 45965452, 53037060, 57456815, 68948178, 114913630, 137896356, 172370445, 229827260, 344740890, 689481780]

約数ペア:

[(1, 689481780), (2, 344740890), (3, 229827260), (4, 172370445), (5, 137896356), (6, 114913630), (10, 68948178), (12, 57456815), (13, 53037060), (15, 45965452), (20, 34474089), (26, 26518530), (30, 22982726), (39, 17679020), (43, 16034460), (52, 13259265), (60, 11491363), (61, 11302980), (65, 10607412), (78, 8839510), (86, 8017230), (122, 5651490), (129, 5344820), (130, 5303706), (156, 4419755), (172, 4008615), (183, 3767660), (195, 3535804), (215, 3206892), (244, 2825745), (258, 2672410), (260, 2651853), (305, 2260596), (337, 2045940), (366, 1883830), (390, 1767902), (430, 1603446), (516, 1336205), (559, 1233420), (610, 1130298), (645, 1068964), (674, 1022970), (732, 941915), (780, 883951), (793, 869460), (860, 801723), (915, 753532), (1011, 681980), (1118, 616710), (1220, 565149), (1290, 534482), (1348, 511485), (1586, 434730), (1677, 411140), (1685, 409188), (1830, 376766), (2022, 340990), (2236, 308355), (2379, 289820), (2580, 267241), (2623, 262860), (2795, 246684), (3172, 217365), (3354, 205570), (3370, 204594), (3660, 188383), (3965, 173892), (4044, 170495), (4381, 157380), (4758, 144910), (5055, 136396), (5246, 131430), (5590, 123342), (6708, 102785), (6740, 102297), (7869, 87620), (7930, 86946), (8385, 82228), (8762, 78690), (9516, 72455), (10110, 68198), (10492, 65715), (11180, 61671), (11895, 57964), (13115, 52572), (13143, 52460), (14491, 47580), (15738, 43810), (15860, 43473), (16770, 41114), (17524, 39345), (20220, 34099), (20557, 33540), (21905, 31476), (23790, 28982), (26230, 26286)]