131218380

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{757}}^1$

素因数の和:885

約数の個数: 120

約数和(自身を含む): 416032848

約数和(自身を除く): 284814468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 107, 108, 135, 162, 180, 214, 270, 321, 324, 405, 428, 535, 540, 642, 757, 810, 963, 1070, 1284, 1514, 1605, 1620, 1926, 2140, 2271, 2889, 3028, 3210, 3785, 3852, 4542, 4815, 5778, 6420, 6813, 7570, 8667, 9084, 9630, 11355, 11556, 13626, 14445, 15140, 17334, 19260, 20439, 22710, 27252, 28890, 34065, 34668, 40878, 43335, 45420, 57780, 61317, 68130, 80999, 81756, 86670, 102195, 122634, 136260, 161998, 173340, 204390, 242997, 245268, 306585, 323996, 404995, 408780, 485994, 613170, 728991, 809990, 971988, 1214985, 1226340, 1457982, 1619980, 2186973, 2429970, 2915964, 3644955, 4373946, 4859940, 6560919, 7289910, 8747892, 10934865, 13121838, 14579820, 21869730, 26243676, 32804595, 43739460, 65609190, 131218380]

約数ペア:

[(1, 131218380), (2, 65609190), (3, 43739460), (4, 32804595), (5, 26243676), (6, 21869730), (9, 14579820), (10, 13121838), (12, 10934865), (15, 8747892), (18, 7289910), (20, 6560919), (27, 4859940), (30, 4373946), (36, 3644955), (45, 2915964), (54, 2429970), (60, 2186973), (81, 1619980), (90, 1457982), (107, 1226340), (108, 1214985), (135, 971988), (162, 809990), (180, 728991), (214, 613170), (270, 485994), (321, 408780), (324, 404995), (405, 323996), (428, 306585), (535, 245268), (540, 242997), (642, 204390), (757, 173340), (810, 161998), (963, 136260), (1070, 122634), (1284, 102195), (1514, 86670), (1605, 81756), (1620, 80999), (1926, 68130), (2140, 61317), (2271, 57780), (2889, 45420), (3028, 43335), (3210, 40878), (3785, 34668), (3852, 34065), (4542, 28890), (4815, 27252), (5778, 22710), (6420, 20439), (6813, 19260), (7570, 17334), (8667, 15140), (9084, 14445), (9630, 13626), (11355, 11556)]