1663642680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{857}}^1\times {\mathrm{2311}}^1$

素因数の和:3189

約数の個数: 128

約数和(自身を含む): 5713044480

約数和(自身を除く): 4049401800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 857, 1714, 2311, 2571, 3428, 4285, 4622, 5142, 5999, 6856, 6933, 8570, 9244, 10284, 11555, 11998, 12855, 13866, 16177, 17140, 17997, 18488, 20568, 23110, 23996, 25710, 27732, 29995, 32354, 34280, 34665, 35994, 46220, 47992, 48531, 51420, 55464, 59990, 64708, 69330, 71988, 80885, 89985, 92440, 97062, 102840, 119980, 129416, 138660, 143976, 161770, 179970, 194124, 239960, 242655, 277320, 323540, 359940, 388248, 485310, 647080, 719880, 970620, 1941240, 1980527, 3961054, 5941581, 7922108, 9902635, 11883162, 13863689, 15844216, 19805270, 23766324, 27727378, 29707905, 39610540, 41591067, 47532648, 55454756, 59415810, 69318445, 79221080, 83182134, 110909512, 118831620, 138636890, 166364268, 207955335, 237663240, 277273780, 332728536, 415910670, 554547560, 831821340, 1663642680]

約数ペア:

[(1, 1663642680), (2, 831821340), (3, 554547560), (4, 415910670), (5, 332728536), (6, 277273780), (7, 237663240), (8, 207955335), (10, 166364268), (12, 138636890), (14, 118831620), (15, 110909512), (20, 83182134), (21, 79221080), (24, 69318445), (28, 59415810), (30, 55454756), (35, 47532648), (40, 41591067), (42, 39610540), (56, 29707905), (60, 27727378), (70, 23766324), (84, 19805270), (105, 15844216), (120, 13863689), (140, 11883162), (168, 9902635), (210, 7922108), (280, 5941581), (420, 3961054), (840, 1980527), (857, 1941240), (1714, 970620), (2311, 719880), (2571, 647080), (3428, 485310), (4285, 388248), (4622, 359940), (5142, 323540), (5999, 277320), (6856, 242655), (6933, 239960), (8570, 194124), (9244, 179970), (10284, 161770), (11555, 143976), (11998, 138660), (12855, 129416), (13866, 119980), (16177, 102840), (17140, 97062), (17997, 92440), (18488, 89985), (20568, 80885), (23110, 71988), (23996, 69330), (25710, 64708), (27732, 59990), (29995, 55464), (32354, 51420), (34280, 48531), (34665, 47992), (35994, 46220)]