81463620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2657}}^1$

素因数の和:2749

約数の個数: 96

約数和(自身を含む): 264354048

約数和(自身を除く): 182890428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 84, 105, 140, 146, 210, 219, 292, 365, 420, 438, 511, 730, 876, 1022, 1095, 1460, 1533, 2044, 2190, 2555, 2657, 3066, 4380, 5110, 5314, 6132, 7665, 7971, 10220, 10628, 13285, 15330, 15942, 18599, 26570, 30660, 31884, 37198, 39855, 53140, 55797, 74396, 79710, 92995, 111594, 159420, 185990, 193961, 223188, 278985, 371980, 387922, 557970, 581883, 775844, 969805, 1115940, 1163766, 1357727, 1939610, 2327532, 2715454, 2909415, 3879220, 4073181, 5430908, 5818830, 6788635, 8146362, 11637660, 13577270, 16292724, 20365905, 27154540, 40731810, 81463620]

約数ペア:

[(1, 81463620), (2, 40731810), (3, 27154540), (4, 20365905), (5, 16292724), (6, 13577270), (7, 11637660), (10, 8146362), (12, 6788635), (14, 5818830), (15, 5430908), (20, 4073181), (21, 3879220), (28, 2909415), (30, 2715454), (35, 2327532), (42, 1939610), (60, 1357727), (70, 1163766), (73, 1115940), (84, 969805), (105, 775844), (140, 581883), (146, 557970), (210, 387922), (219, 371980), (292, 278985), (365, 223188), (420, 193961), (438, 185990), (511, 159420), (730, 111594), (876, 92995), (1022, 79710), (1095, 74396), (1460, 55797), (1533, 53140), (2044, 39855), (2190, 37198), (2555, 31884), (2657, 30660), (3066, 26570), (4380, 18599), (5110, 15942), (5314, 15330), (6132, 13285), (7665, 10628), (7971, 10220)]