2021365920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31663}}^1$

素因数の和:31707

約数の個数: 192

約数和(自身を含む): 7660154880

約数和(自身を除く): 5638788960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 210, 224, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 480, 532, 560, 570, 608, 665, 672, 760, 798, 840, 912, 1064, 1120, 1140, 1330, 1520, 1596, 1680, 1824, 1995, 2128, 2280, 2660, 3040, 3192, 3360, 3990, 4256, 4560, 5320, 6384, 7980, 9120, 10640, 12768, 15960, 21280, 31663, 31920, 63326, 63840, 94989, 126652, 158315, 189978, 221641, 253304, 316630, 379956, 443282, 474945, 506608, 601597, 633260, 664923, 759912, 886564, 949890, 1013216, 1108205, 1203194, 1266520, 1329846, 1519824, 1773128, 1804791, 1899780, 2216410, 2406388, 2533040, 2659692, 3007985, 3039648, 3324615, 3546256, 3609582, 3799560, 4211179, 4432820, 4812776, 5066080, 5319384, 6015970, 6649230, 7092512, 7219164, 7599120, 8422358, 8865640, 9023955, 9625552, 10638768, 12031940, 12633537, 13298460, 14438328, 15198240, 16844716, 17731280, 18047910, 19251104, 21055895, 21277536, 24063880, 25267074, 26596920, 28876656, 33689432, 35462560, 36095820, 42111790, 48127760, 50534148, 53193840, 57753312, 63167685, 67378864, 72191640, 84223580, 96255520, 101068296, 106387680, 126335370, 134757728, 144383280, 168447160, 202136592, 252670740, 288766560, 336894320, 404273184, 505341480, 673788640, 1010682960, 2021365920]

約数ペア:

[(1, 2021365920), (2, 1010682960), (3, 673788640), (4, 505341480), (5, 404273184), (6, 336894320), (7, 288766560), (8, 252670740), (10, 202136592), (12, 168447160), (14, 144383280), (15, 134757728), (16, 126335370), (19, 106387680), (20, 101068296), (21, 96255520), (24, 84223580), (28, 72191640), (30, 67378864), (32, 63167685), (35, 57753312), (38, 53193840), (40, 50534148), (42, 48127760), (48, 42111790), (56, 36095820), (57, 35462560), (60, 33689432), (70, 28876656), (76, 26596920), (80, 25267074), (84, 24063880), (95, 21277536), (96, 21055895), (105, 19251104), (112, 18047910), (114, 17731280), (120, 16844716), (133, 15198240), (140, 14438328), (152, 13298460), (160, 12633537), (168, 12031940), (190, 10638768), (210, 9625552), (224, 9023955), (228, 8865640), (240, 8422358), (266, 7599120), (280, 7219164), (285, 7092512), (304, 6649230), (336, 6015970), (380, 5319384), (399, 5066080), (420, 4812776), (456, 4432820), (480, 4211179), (532, 3799560), (560, 3609582), (570, 3546256), (608, 3324615), (665, 3039648), (672, 3007985), (760, 2659692), (798, 2533040), (840, 2406388), (912, 2216410), (1064, 1899780), (1120, 1804791), (1140, 1773128), (1330, 1519824), (1520, 1329846), (1596, 1266520), (1680, 1203194), (1824, 1108205), (1995, 1013216), (2128, 949890), (2280, 886564), (2660, 759912), (3040, 664923), (3192, 633260), (3360, 601597), (3990, 506608), (4256, 474945), (4560, 443282), (5320, 379956), (6384, 316630), (7980, 253304), (9120, 221641), (10640, 189978), (12768, 158315), (15960, 126652), (21280, 94989), (31663, 63840), (31920, 63326)]