128411640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{50957}}^1$

素因数の和:50981

約数の個数: 96

約数和(自身を含む): 476966880

約数和(自身を除く): 348555240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 50957, 101914, 152871, 203828, 254785, 305742, 356699, 407656, 458613, 509570, 611484, 713398, 764355, 917226, 1019140, 1070097, 1222968, 1426796, 1528710, 1783495, 1834452, 2038280, 2140194, 2293065, 2853592, 3057420, 3210291, 3566990, 3668904, 4280388, 4586130, 5350485, 6114840, 6420582, 7133980, 8560776, 9172260, 10700970, 12841164, 14267960, 16051455, 18344520, 21401940, 25682328, 32102910, 42803880, 64205820, 128411640]

約数ペア:

[(1, 128411640), (2, 64205820), (3, 42803880), (4, 32102910), (5, 25682328), (6, 21401940), (7, 18344520), (8, 16051455), (9, 14267960), (10, 12841164), (12, 10700970), (14, 9172260), (15, 8560776), (18, 7133980), (20, 6420582), (21, 6114840), (24, 5350485), (28, 4586130), (30, 4280388), (35, 3668904), (36, 3566990), (40, 3210291), (42, 3057420), (45, 2853592), (56, 2293065), (60, 2140194), (63, 2038280), (70, 1834452), (72, 1783495), (84, 1528710), (90, 1426796), (105, 1222968), (120, 1070097), (126, 1019140), (140, 917226), (168, 764355), (180, 713398), (210, 611484), (252, 509570), (280, 458613), (315, 407656), (360, 356699), (420, 305742), (504, 254785), (630, 203828), (840, 152871), (1260, 101914), (2520, 50957)]