648754980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{6581}}^1$

素因数の和:6677

約数の個数: 96

約数和(自身を含む): 1910780928

約数和(自身を除く): 1262025948

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 53, 60, 62, 93, 106, 124, 155, 159, 186, 212, 265, 310, 318, 372, 465, 530, 620, 636, 795, 930, 1060, 1590, 1643, 1860, 3180, 3286, 4929, 6572, 6581, 8215, 9858, 13162, 16430, 19716, 19743, 24645, 26324, 32860, 32905, 39486, 49290, 65810, 78972, 98580, 98715, 131620, 197430, 204011, 348793, 394860, 408022, 612033, 697586, 816044, 1020055, 1046379, 1224066, 1395172, 1743965, 2040110, 2092758, 2448132, 3060165, 3487930, 4080220, 4185516, 5231895, 6120330, 6975860, 10463790, 10812583, 12240660, 20927580, 21625166, 32437749, 43250332, 54062915, 64875498, 108125830, 129750996, 162188745, 216251660, 324377490, 648754980]

約数ペア:

[(1, 648754980), (2, 324377490), (3, 216251660), (4, 162188745), (5, 129750996), (6, 108125830), (10, 64875498), (12, 54062915), (15, 43250332), (20, 32437749), (30, 21625166), (31, 20927580), (53, 12240660), (60, 10812583), (62, 10463790), (93, 6975860), (106, 6120330), (124, 5231895), (155, 4185516), (159, 4080220), (186, 3487930), (212, 3060165), (265, 2448132), (310, 2092758), (318, 2040110), (372, 1743965), (465, 1395172), (530, 1224066), (620, 1046379), (636, 1020055), (795, 816044), (930, 697586), (1060, 612033), (1590, 408022), (1643, 394860), (1860, 348793), (3180, 204011), (3286, 197430), (4929, 131620), (6572, 98715), (6581, 98580), (8215, 78972), (9858, 65810), (13162, 49290), (16430, 39486), (19716, 32905), (19743, 32860), (24645, 26324)]