72561855

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 129761280

約数和(自身を除く): 57199425

約数列:

[1, 3, 5, 15, 19, 31, 43, 57, 93, 95, 129, 155, 191, 215, 285, 465, 573, 589, 645, 817, 955, 1333, 1767, 2451, 2865, 2945, 3629, 3999, 4085, 5921, 6665, 8213, 8835, 10887, 12255, 17763, 18145, 19995, 24639, 25327, 29605, 41065, 54435, 75981, 88815, 112499, 123195, 126635, 156047, 254603, 337497, 379905, 468141, 562495, 763809, 780235, 1273015, 1687485, 2340705, 3819045, 4837457, 14512371, 24187285, 72561855]

約数ペア:

[(1, 72561855), (3, 24187285), (5, 14512371), (15, 4837457), (19, 3819045), (31, 2340705), (43, 1687485), (57, 1273015), (93, 780235), (95, 763809), (129, 562495), (155, 468141), (191, 379905), (215, 337497), (285, 254603), (465, 156047), (573, 126635), (589, 123195), (645, 112499), (817, 88815), (955, 75981), (1333, 54435), (1767, 41065), (2451, 29605), (2865, 25327), (2945, 24639), (3629, 19995), (3999, 18145), (4085, 17763), (5921, 12255), (6665, 10887), (8213, 8835)]