721057980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{15427}}^1$

素因数の和:15499

約数の個数: 96

約数和(自身を含む): 2177199360

約数和(自身を除く): 1456141380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 41, 57, 60, 76, 82, 95, 114, 123, 164, 190, 205, 228, 246, 285, 380, 410, 492, 570, 615, 779, 820, 1140, 1230, 1558, 2337, 2460, 3116, 3895, 4674, 7790, 9348, 11685, 15427, 15580, 23370, 30854, 46281, 46740, 61708, 77135, 92562, 154270, 185124, 231405, 293113, 308540, 462810, 586226, 632507, 879339, 925620, 1172452, 1265014, 1465565, 1758678, 1897521, 2530028, 2931130, 3162535, 3517356, 3795042, 4396695, 5862260, 6325070, 7590084, 8793390, 9487605, 12017633, 12650140, 17586780, 18975210, 24035266, 36052899, 37950420, 48070532, 60088165, 72105798, 120176330, 144211596, 180264495, 240352660, 360528990, 721057980]

約数ペア:

[(1, 721057980), (2, 360528990), (3, 240352660), (4, 180264495), (5, 144211596), (6, 120176330), (10, 72105798), (12, 60088165), (15, 48070532), (19, 37950420), (20, 36052899), (30, 24035266), (38, 18975210), (41, 17586780), (57, 12650140), (60, 12017633), (76, 9487605), (82, 8793390), (95, 7590084), (114, 6325070), (123, 5862260), (164, 4396695), (190, 3795042), (205, 3517356), (228, 3162535), (246, 2931130), (285, 2530028), (380, 1897521), (410, 1758678), (492, 1465565), (570, 1265014), (615, 1172452), (779, 925620), (820, 879339), (1140, 632507), (1230, 586226), (1558, 462810), (2337, 308540), (2460, 293113), (3116, 231405), (3895, 185124), (4674, 154270), (7790, 92562), (9348, 77135), (11685, 61708), (15427, 46740), (15580, 46281), (23370, 30854)]