256841760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{76441}}^1$

素因数の和:76466

約数の個数: 96

約数和(自身を含む): 924642432

約数和(自身を除く): 667800672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 76441, 152882, 229323, 305764, 382205, 458646, 535087, 611528, 764410, 917292, 1070174, 1146615, 1223056, 1528820, 1605261, 1834584, 2140348, 2293230, 2446112, 2675435, 3057640, 3210522, 3669168, 4280696, 4586460, 5350870, 6115280, 6421044, 7338336, 8026305, 8561392, 9172920, 10701740, 12230560, 12842088, 16052610, 17122784, 18345840, 21403480, 25684176, 32105220, 36691680, 42806960, 51368352, 64210440, 85613920, 128420880, 256841760]

約数ペア:

[(1, 256841760), (2, 128420880), (3, 85613920), (4, 64210440), (5, 51368352), (6, 42806960), (7, 36691680), (8, 32105220), (10, 25684176), (12, 21403480), (14, 18345840), (15, 17122784), (16, 16052610), (20, 12842088), (21, 12230560), (24, 10701740), (28, 9172920), (30, 8561392), (32, 8026305), (35, 7338336), (40, 6421044), (42, 6115280), (48, 5350870), (56, 4586460), (60, 4280696), (70, 3669168), (80, 3210522), (84, 3057640), (96, 2675435), (105, 2446112), (112, 2293230), (120, 2140348), (140, 1834584), (160, 1605261), (168, 1528820), (210, 1223056), (224, 1146615), (240, 1070174), (280, 917292), (336, 764410), (420, 611528), (480, 535087), (560, 458646), (672, 382205), (840, 305764), (1120, 229323), (1680, 152882), (3360, 76441)]