68899980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2179}}^1$

素因数の和:2239

約数の個数: 96

約数和(自身を含む): 210954240

約数和(自身を除く): 142054260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 31, 34, 51, 60, 62, 68, 85, 93, 102, 124, 155, 170, 186, 204, 255, 310, 340, 372, 465, 510, 527, 620, 930, 1020, 1054, 1581, 1860, 2108, 2179, 2635, 3162, 4358, 5270, 6324, 6537, 7905, 8716, 10540, 10895, 13074, 15810, 21790, 26148, 31620, 32685, 37043, 43580, 65370, 67549, 74086, 111129, 130740, 135098, 148172, 185215, 202647, 222258, 270196, 337745, 370430, 405294, 444516, 555645, 675490, 740860, 810588, 1013235, 1111290, 1148333, 1350980, 2026470, 2222580, 2296666, 3444999, 4052940, 4593332, 5741665, 6889998, 11483330, 13779996, 17224995, 22966660, 34449990, 68899980]

約数ペア:

[(1, 68899980), (2, 34449990), (3, 22966660), (4, 17224995), (5, 13779996), (6, 11483330), (10, 6889998), (12, 5741665), (15, 4593332), (17, 4052940), (20, 3444999), (30, 2296666), (31, 2222580), (34, 2026470), (51, 1350980), (60, 1148333), (62, 1111290), (68, 1013235), (85, 810588), (93, 740860), (102, 675490), (124, 555645), (155, 444516), (170, 405294), (186, 370430), (204, 337745), (255, 270196), (310, 222258), (340, 202647), (372, 185215), (465, 148172), (510, 135098), (527, 130740), (620, 111129), (930, 74086), (1020, 67549), (1054, 65370), (1581, 43580), (1860, 37043), (2108, 32685), (2179, 31620), (2635, 26148), (3162, 21790), (4358, 15810), (5270, 13074), (6324, 10895), (6537, 10540), (7905, 8716)]