279431880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{25589}}^1$

素因数の和:25623

約数の個数: 128

約数和(自身を含む): 1031788800

約数和(自身を除く): 752356920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 25589, 51178, 76767, 102356, 127945, 153534, 179123, 204712, 255890, 307068, 332657, 358246, 383835, 511780, 537369, 614136, 665314, 716492, 767670, 895615, 997971, 1023560, 1074738, 1330628, 1432984, 1535340, 1663285, 1791230, 1995942, 2149476, 2328599, 2661256, 2686845, 3070680, 3326570, 3582460, 3991884, 4298952, 4657198, 4989855, 5373690, 6653140, 6985797, 7164920, 7983768, 9314396, 9979710, 10747380, 11642995, 13306280, 13971594, 18628792, 19959420, 21494760, 23285990, 27943188, 34928985, 39918840, 46571980, 55886376, 69857970, 93143960, 139715940, 279431880]

約数ペア:

[(1, 279431880), (2, 139715940), (3, 93143960), (4, 69857970), (5, 55886376), (6, 46571980), (7, 39918840), (8, 34928985), (10, 27943188), (12, 23285990), (13, 21494760), (14, 19959420), (15, 18628792), (20, 13971594), (21, 13306280), (24, 11642995), (26, 10747380), (28, 9979710), (30, 9314396), (35, 7983768), (39, 7164920), (40, 6985797), (42, 6653140), (52, 5373690), (56, 4989855), (60, 4657198), (65, 4298952), (70, 3991884), (78, 3582460), (84, 3326570), (91, 3070680), (104, 2686845), (105, 2661256), (120, 2328599), (130, 2149476), (140, 1995942), (156, 1791230), (168, 1663285), (182, 1535340), (195, 1432984), (210, 1330628), (260, 1074738), (273, 1023560), (280, 997971), (312, 895615), (364, 767670), (390, 716492), (420, 665314), (455, 614136), (520, 537369), (546, 511780), (728, 383835), (780, 358246), (840, 332657), (910, 307068), (1092, 255890), (1365, 204712), (1560, 179123), (1820, 153534), (2184, 127945), (2730, 102356), (3640, 76767), (5460, 51178), (10920, 25589)]