2331265720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{641}}^1$

素因数の和:1109

約数の個数: 128

約数和(自身を含む): 6212505600

約数和(自身を除く): 3881239880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 419, 434, 620, 641, 838, 868, 1085, 1240, 1282, 1676, 1736, 2095, 2170, 2564, 2933, 3205, 3352, 4190, 4340, 4487, 5128, 5866, 6410, 8380, 8680, 8974, 11732, 12820, 12989, 14665, 16760, 17948, 19871, 22435, 23464, 25640, 25978, 29330, 35896, 39742, 44870, 51956, 58660, 64945, 79484, 89740, 90923, 99355, 103912, 117320, 129890, 139097, 158968, 179480, 181846, 198710, 259780, 268579, 278194, 363692, 397420, 454615, 519560, 537158, 556388, 695485, 727384, 794840, 909230, 1074316, 1112776, 1342895, 1390970, 1818460, 1880053, 2148632, 2685790, 2781940, 3636920, 3760106, 5371580, 5563880, 7520212, 8325949, 9400265, 10743160, 15040424, 16651898, 18800530, 33303796, 37601060, 41629745, 58281643, 66607592, 75202120, 83259490, 116563286, 166518980, 233126572, 291408215, 333037960, 466253144, 582816430, 1165632860, 2331265720]

約数ペア:

[(1, 2331265720), (2, 1165632860), (4, 582816430), (5, 466253144), (7, 333037960), (8, 291408215), (10, 233126572), (14, 166518980), (20, 116563286), (28, 83259490), (31, 75202120), (35, 66607592), (40, 58281643), (56, 41629745), (62, 37601060), (70, 33303796), (124, 18800530), (140, 16651898), (155, 15040424), (217, 10743160), (248, 9400265), (280, 8325949), (310, 7520212), (419, 5563880), (434, 5371580), (620, 3760106), (641, 3636920), (838, 2781940), (868, 2685790), (1085, 2148632), (1240, 1880053), (1282, 1818460), (1676, 1390970), (1736, 1342895), (2095, 1112776), (2170, 1074316), (2564, 909230), (2933, 794840), (3205, 727384), (3352, 695485), (4190, 556388), (4340, 537158), (4487, 519560), (5128, 454615), (5866, 397420), (6410, 363692), (8380, 278194), (8680, 268579), (8974, 259780), (11732, 198710), (12820, 181846), (12989, 179480), (14665, 158968), (16760, 139097), (17948, 129890), (19871, 117320), (22435, 103912), (23464, 99355), (25640, 90923), (25978, 89740), (29330, 79484), (35896, 64945), (39742, 58660), (44870, 51956)]