280124520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2273}}^1$

素因数の和:2379

約数の個数: 128

約数和(自身を含む): 916876800

約数和(自身を除く): 636752280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 79, 104, 120, 130, 156, 158, 195, 237, 260, 312, 316, 390, 395, 474, 520, 632, 780, 790, 948, 1027, 1185, 1560, 1580, 1896, 2054, 2273, 2370, 3081, 3160, 4108, 4546, 4740, 5135, 6162, 6819, 8216, 9092, 9480, 10270, 11365, 12324, 13638, 15405, 18184, 20540, 22730, 24648, 27276, 29549, 30810, 34095, 41080, 45460, 54552, 59098, 61620, 68190, 88647, 90920, 118196, 123240, 136380, 147745, 177294, 179567, 236392, 272760, 295490, 354588, 359134, 443235, 538701, 590980, 709176, 718268, 886470, 897835, 1077402, 1181960, 1436536, 1772940, 1795670, 2154804, 2334371, 2693505, 3545880, 3591340, 4309608, 4668742, 5387010, 7003113, 7182680, 9337484, 10774020, 11671855, 14006226, 18674968, 21548040, 23343710, 28012452, 35015565, 46687420, 56024904, 70031130, 93374840, 140062260, 280124520]

約数ペア:

[(1, 280124520), (2, 140062260), (3, 93374840), (4, 70031130), (5, 56024904), (6, 46687420), (8, 35015565), (10, 28012452), (12, 23343710), (13, 21548040), (15, 18674968), (20, 14006226), (24, 11671855), (26, 10774020), (30, 9337484), (39, 7182680), (40, 7003113), (52, 5387010), (60, 4668742), (65, 4309608), (78, 3591340), (79, 3545880), (104, 2693505), (120, 2334371), (130, 2154804), (156, 1795670), (158, 1772940), (195, 1436536), (237, 1181960), (260, 1077402), (312, 897835), (316, 886470), (390, 718268), (395, 709176), (474, 590980), (520, 538701), (632, 443235), (780, 359134), (790, 354588), (948, 295490), (1027, 272760), (1185, 236392), (1560, 179567), (1580, 177294), (1896, 147745), (2054, 136380), (2273, 123240), (2370, 118196), (3081, 90920), (3160, 88647), (4108, 68190), (4546, 61620), (4740, 59098), (5135, 54552), (6162, 45460), (6819, 41080), (8216, 34095), (9092, 30810), (9480, 29549), (10270, 27276), (11365, 24648), (12324, 22730), (13638, 20540), (15405, 18184)]