90261080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 253169280

約数和(自身を除く): 162908200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 137, 140, 181, 182, 260, 274, 280, 362, 364, 455, 520, 548, 685, 724, 728, 905, 910, 959, 1096, 1267, 1370, 1448, 1781, 1810, 1820, 1918, 2353, 2534, 2740, 3562, 3620, 3640, 3836, 4706, 4795, 5068, 5480, 6335, 7124, 7240, 7672, 8905, 9412, 9590, 10136, 11765, 12467, 12670, 14248, 16471, 17810, 18824, 19180, 23530, 24797, 24934, 25340, 32942, 35620, 38360, 47060, 49594, 49868, 50680, 62335, 65884, 71240, 82355, 94120, 99188, 99736, 123985, 124670, 131768, 164710, 173579, 198376, 247970, 249340, 322361, 329420, 347158, 495940, 498680, 644722, 658840, 694316, 867895, 991880, 1289444, 1388632, 1611805, 1735790, 2256527, 2578888, 3223610, 3471580, 4513054, 6447220, 6943160, 9026108, 11282635, 12894440, 18052216, 22565270, 45130540, 90261080]

約数ペア:

[(1, 90261080), (2, 45130540), (4, 22565270), (5, 18052216), (7, 12894440), (8, 11282635), (10, 9026108), (13, 6943160), (14, 6447220), (20, 4513054), (26, 3471580), (28, 3223610), (35, 2578888), (40, 2256527), (52, 1735790), (56, 1611805), (65, 1388632), (70, 1289444), (91, 991880), (104, 867895), (130, 694316), (137, 658840), (140, 644722), (181, 498680), (182, 495940), (260, 347158), (274, 329420), (280, 322361), (362, 249340), (364, 247970), (455, 198376), (520, 173579), (548, 164710), (685, 131768), (724, 124670), (728, 123985), (905, 99736), (910, 99188), (959, 94120), (1096, 82355), (1267, 71240), (1370, 65884), (1448, 62335), (1781, 50680), (1810, 49868), (1820, 49594), (1918, 47060), (2353, 38360), (2534, 35620), (2740, 32942), (3562, 25340), (3620, 24934), (3640, 24797), (3836, 23530), (4706, 19180), (4795, 18824), (5068, 17810), (5480, 16471), (6335, 14248), (7124, 12670), (7240, 12467), (7672, 11765), (8905, 10136), (9412, 9590)]