28260960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:685

約数の個数: 192

約数和(自身を含む): 109734912

約数和(自身を除く): 81473952

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 647, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1294, 1365, 1456, 1560, 1680, 1820, 1941, 2080, 2184, 2588, 2730, 2912, 3120, 3235, 3360, 3640, 3882, 4368, 4529, 5176, 5460, 6240, 6470, 7280, 7764, 8411, 8736, 9058, 9705, 10352, 10920, 12940, 13587, 14560, 15528, 16822, 18116, 19410, 20704, 21840, 22645, 25233, 25880, 27174, 31056, 33644, 36232, 38820, 42055, 43680, 45290, 50466, 51760, 54348, 58877, 62112, 67288, 67935, 72464, 77640, 84110, 90580, 100932, 103520, 108696, 117754, 126165, 134576, 135870, 144928, 155280, 168220, 176631, 181160, 201864, 217392, 235508, 252330, 269152, 271740, 294385, 310560, 336440, 353262, 362320, 403728, 434784, 471016, 504660, 543480, 588770, 672880, 706524, 724640, 807456, 883155, 942032, 1009320, 1086960, 1177540, 1345760, 1413048, 1766310, 1884064, 2018640, 2173920, 2355080, 2826096, 3532620, 4037280, 4710160, 5652192, 7065240, 9420320, 14130480, 28260960]

約数ペア:

[(1, 28260960), (2, 14130480), (3, 9420320), (4, 7065240), (5, 5652192), (6, 4710160), (7, 4037280), (8, 3532620), (10, 2826096), (12, 2355080), (13, 2173920), (14, 2018640), (15, 1884064), (16, 1766310), (20, 1413048), (21, 1345760), (24, 1177540), (26, 1086960), (28, 1009320), (30, 942032), (32, 883155), (35, 807456), (39, 724640), (40, 706524), (42, 672880), (48, 588770), (52, 543480), (56, 504660), (60, 471016), (65, 434784), (70, 403728), (78, 362320), (80, 353262), (84, 336440), (91, 310560), (96, 294385), (104, 271740), (105, 269152), (112, 252330), (120, 235508), (130, 217392), (140, 201864), (156, 181160), (160, 176631), (168, 168220), (182, 155280), (195, 144928), (208, 135870), (210, 134576), (224, 126165), (240, 117754), (260, 108696), (273, 103520), (280, 100932), (312, 90580), (336, 84110), (364, 77640), (390, 72464), (416, 67935), (420, 67288), (455, 62112), (480, 58877), (520, 54348), (546, 51760), (560, 50466), (624, 45290), (647, 43680), (672, 42055), (728, 38820), (780, 36232), (840, 33644), (910, 31056), (1040, 27174), (1092, 25880), (1120, 25233), (1248, 22645), (1294, 21840), (1365, 20704), (1456, 19410), (1560, 18116), (1680, 16822), (1820, 15528), (1941, 14560), (2080, 13587), (2184, 12940), (2588, 10920), (2730, 10352), (2912, 9705), (3120, 9058), (3235, 8736), (3360, 8411), (3640, 7764), (3882, 7280), (4368, 6470), (4529, 6240), (5176, 5460)]