279538320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:697

約数の個数: 160

約数和(自身を含む): 916012800

約数和(自身を除く): 636474480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 89, 92, 115, 120, 138, 178, 184, 230, 240, 267, 276, 345, 356, 368, 445, 460, 534, 552, 569, 690, 712, 890, 920, 1068, 1104, 1138, 1335, 1380, 1424, 1707, 1780, 1840, 2047, 2136, 2276, 2670, 2760, 2845, 3414, 3560, 4094, 4272, 4552, 5340, 5520, 5690, 6141, 6828, 7120, 8188, 8535, 9104, 10235, 10680, 11380, 12282, 13087, 13656, 16376, 17070, 20470, 21360, 22760, 24564, 26174, 27312, 30705, 32752, 34140, 39261, 40940, 45520, 49128, 50641, 52348, 61410, 65435, 68280, 78522, 81880, 98256, 101282, 104696, 122820, 130870, 136560, 151923, 157044, 163760, 196305, 202564, 209392, 245640, 253205, 261740, 303846, 314088, 392610, 405128, 491280, 506410, 523480, 607692, 628176, 759615, 785220, 810256, 1012820, 1046960, 1164743, 1215384, 1519230, 1570440, 2025640, 2329486, 2430768, 3038460, 3140880, 3494229, 4051280, 4658972, 5823715, 6076920, 6988458, 9317944, 11647430, 12153840, 13976916, 17471145, 18635888, 23294860, 27953832, 34942290, 46589720, 55907664, 69884580, 93179440, 139769160, 279538320]

約数ペア:

[(1, 279538320), (2, 139769160), (3, 93179440), (4, 69884580), (5, 55907664), (6, 46589720), (8, 34942290), (10, 27953832), (12, 23294860), (15, 18635888), (16, 17471145), (20, 13976916), (23, 12153840), (24, 11647430), (30, 9317944), (40, 6988458), (46, 6076920), (48, 5823715), (60, 4658972), (69, 4051280), (80, 3494229), (89, 3140880), (92, 3038460), (115, 2430768), (120, 2329486), (138, 2025640), (178, 1570440), (184, 1519230), (230, 1215384), (240, 1164743), (267, 1046960), (276, 1012820), (345, 810256), (356, 785220), (368, 759615), (445, 628176), (460, 607692), (534, 523480), (552, 506410), (569, 491280), (690, 405128), (712, 392610), (890, 314088), (920, 303846), (1068, 261740), (1104, 253205), (1138, 245640), (1335, 209392), (1380, 202564), (1424, 196305), (1707, 163760), (1780, 157044), (1840, 151923), (2047, 136560), (2136, 130870), (2276, 122820), (2670, 104696), (2760, 101282), (2845, 98256), (3414, 81880), (3560, 78522), (4094, 68280), (4272, 65435), (4552, 61410), (5340, 52348), (5520, 50641), (5690, 49128), (6141, 45520), (6828, 40940), (7120, 39261), (8188, 34140), (8535, 32752), (9104, 30705), (10235, 27312), (10680, 26174), (11380, 24564), (12282, 22760), (13087, 21360), (13656, 20470), (16376, 17070)]