620490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 64

約数和(自身を含む): 1685376

約数和(自身を除く): 1064886

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 43, 65, 74, 78, 86, 111, 129, 130, 185, 195, 215, 222, 258, 370, 390, 430, 481, 555, 559, 645, 962, 1110, 1118, 1290, 1443, 1591, 1677, 2405, 2795, 2886, 3182, 3354, 4773, 4810, 5590, 7215, 7955, 8385, 9546, 14430, 15910, 16770, 20683, 23865, 41366, 47730, 62049, 103415, 124098, 206830, 310245, 620490]

約数ペア:

[(1, 620490), (2, 310245), (3, 206830), (5, 124098), (6, 103415), (10, 62049), (13, 47730), (15, 41366), (26, 23865), (30, 20683), (37, 16770), (39, 15910), (43, 14430), (65, 9546), (74, 8385), (78, 7955), (86, 7215), (111, 5590), (129, 4810), (130, 4773), (185, 3354), (195, 3182), (215, 2886), (222, 2795), (258, 2405), (370, 1677), (390, 1591), (430, 1443), (481, 1290), (555, 1118), (559, 1110), (645, 962)]