215931420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3251}}^1$

素因数の和:3313

約数の個数: 120

約数和(自身を含む): 694119888

約数和(自身を除く): 478188468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 41, 45, 54, 60, 81, 82, 90, 108, 123, 135, 162, 164, 180, 205, 246, 270, 324, 369, 405, 410, 492, 540, 615, 738, 810, 820, 1107, 1230, 1476, 1620, 1845, 2214, 2460, 3251, 3321, 3690, 4428, 5535, 6502, 6642, 7380, 9753, 11070, 13004, 13284, 16255, 16605, 19506, 22140, 29259, 32510, 33210, 39012, 48765, 58518, 65020, 66420, 87777, 97530, 117036, 133291, 146295, 175554, 195060, 263331, 266582, 292590, 351108, 399873, 438885, 526662, 533164, 585180, 666455, 799746, 877770, 1053324, 1199619, 1316655, 1332910, 1599492, 1755540, 1999365, 2399238, 2633310, 2665820, 3598857, 3998730, 4798476, 5266620, 5998095, 7197714, 7997460, 10796571, 11996190, 14395428, 17994285, 21593142, 23992380, 35988570, 43186284, 53982855, 71977140, 107965710, 215931420]

約数ペア:

[(1, 215931420), (2, 107965710), (3, 71977140), (4, 53982855), (5, 43186284), (6, 35988570), (9, 23992380), (10, 21593142), (12, 17994285), (15, 14395428), (18, 11996190), (20, 10796571), (27, 7997460), (30, 7197714), (36, 5998095), (41, 5266620), (45, 4798476), (54, 3998730), (60, 3598857), (81, 2665820), (82, 2633310), (90, 2399238), (108, 1999365), (123, 1755540), (135, 1599492), (162, 1332910), (164, 1316655), (180, 1199619), (205, 1053324), (246, 877770), (270, 799746), (324, 666455), (369, 585180), (405, 533164), (410, 526662), (492, 438885), (540, 399873), (615, 351108), (738, 292590), (810, 266582), (820, 263331), (1107, 195060), (1230, 175554), (1476, 146295), (1620, 133291), (1845, 117036), (2214, 97530), (2460, 87777), (3251, 66420), (3321, 65020), (3690, 58518), (4428, 48765), (5535, 39012), (6502, 33210), (6642, 32510), (7380, 29259), (9753, 22140), (11070, 19506), (13004, 16605), (13284, 16255)]