1663311720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{37361}}^1$

素因数の和:37435

約数の個数: 128

約数和(自身を含む): 5810538240

約数和(自身を除く): 4147226520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 742, 795, 840, 1060, 1113, 1272, 1484, 1590, 1855, 2120, 2226, 2968, 3180, 3710, 4452, 5565, 6360, 7420, 8904, 11130, 14840, 22260, 37361, 44520, 74722, 112083, 149444, 186805, 224166, 261527, 298888, 373610, 448332, 523054, 560415, 747220, 784581, 896664, 1046108, 1120830, 1307635, 1494440, 1569162, 1980133, 2092216, 2241660, 2615270, 3138324, 3922905, 3960266, 4483320, 5230540, 5940399, 6276648, 7845810, 7920532, 9900665, 10461080, 11880798, 13860931, 15691620, 15841064, 19801330, 23761596, 27721862, 29701995, 31383240, 39602660, 41582793, 47523192, 55443724, 59403990, 69304655, 79205320, 83165586, 110887448, 118807980, 138609310, 166331172, 207913965, 237615960, 277218620, 332662344, 415827930, 554437240, 831655860, 1663311720]

約数ペア:

[(1, 1663311720), (2, 831655860), (3, 554437240), (4, 415827930), (5, 332662344), (6, 277218620), (7, 237615960), (8, 207913965), (10, 166331172), (12, 138609310), (14, 118807980), (15, 110887448), (20, 83165586), (21, 79205320), (24, 69304655), (28, 59403990), (30, 55443724), (35, 47523192), (40, 41582793), (42, 39602660), (53, 31383240), (56, 29701995), (60, 27721862), (70, 23761596), (84, 19801330), (105, 15841064), (106, 15691620), (120, 13860931), (140, 11880798), (159, 10461080), (168, 9900665), (210, 7920532), (212, 7845810), (265, 6276648), (280, 5940399), (318, 5230540), (371, 4483320), (420, 3960266), (424, 3922905), (530, 3138324), (636, 2615270), (742, 2241660), (795, 2092216), (840, 1980133), (1060, 1569162), (1113, 1494440), (1272, 1307635), (1484, 1120830), (1590, 1046108), (1855, 896664), (2120, 784581), (2226, 747220), (2968, 560415), (3180, 523054), (3710, 448332), (4452, 373610), (5565, 298888), (6360, 261527), (7420, 224166), (8904, 186805), (11130, 149444), (14840, 112083), (22260, 74722), (37361, 44520)]