856981320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1072

約数の個数: 256

約数和(自身を含む): 3017952000

約数和(自身を除く): 2160970680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 29, 30, 38, 39, 40, 52, 57, 58, 60, 65, 76, 78, 87, 95, 104, 114, 116, 120, 130, 145, 152, 156, 174, 190, 195, 228, 232, 247, 260, 285, 290, 312, 348, 377, 380, 390, 435, 456, 494, 520, 551, 570, 580, 696, 741, 754, 760, 780, 870, 988, 997, 1102, 1131, 1140, 1160, 1235, 1482, 1508, 1560, 1653, 1740, 1885, 1976, 1994, 2204, 2262, 2280, 2470, 2755, 2964, 2991, 3016, 3306, 3480, 3705, 3770, 3988, 4408, 4524, 4940, 4985, 5510, 5655, 5928, 5982, 6612, 7163, 7410, 7540, 7976, 8265, 9048, 9880, 9970, 11020, 11310, 11964, 12961, 13224, 14326, 14820, 14955, 15080, 16530, 18943, 19940, 21489, 22040, 22620, 23928, 25922, 28652, 28913, 29640, 29910, 33060, 35815, 37886, 38883, 39880, 42978, 45240, 51844, 56829, 57304, 57826, 59820, 64805, 66120, 71630, 75772, 77766, 85956, 86739, 94715, 103688, 107445, 113658, 115652, 119640, 129610, 143260, 144565, 151544, 155532, 171912, 173478, 189430, 194415, 214890, 227316, 231304, 246259, 259220, 284145, 286520, 289130, 311064, 346956, 375869, 378860, 388830, 429780, 433695, 454632, 492518, 518440, 549347, 568290, 578260, 693912, 738777, 751738, 757720, 777660, 859560, 867390, 985036, 1098694, 1127607, 1136580, 1156520, 1231295, 1477554, 1503476, 1555320, 1648041, 1734780, 1879345, 1970072, 2197388, 2255214, 2273160, 2462590, 2746735, 2955108, 3006952, 3296082, 3469560, 3693885, 3758690, 4394776, 4510428, 4925180, 5493470, 5638035, 5910216, 6592164, 7141511, 7387770, 7517380, 8240205, 9020856, 9850360, 10986940, 11276070, 13184328, 14283022, 14775540, 15034760, 16480410, 21424533, 21973880, 22552140, 28566044, 29551080, 32960820, 35707555, 42849066, 45104280, 57132088, 65921640, 71415110, 85698132, 107122665, 142830220, 171396264, 214245330, 285660440, 428490660, 856981320]

約数ペア:

[(1, 856981320), (2, 428490660), (3, 285660440), (4, 214245330), (5, 171396264), (6, 142830220), (8, 107122665), (10, 85698132), (12, 71415110), (13, 65921640), (15, 57132088), (19, 45104280), (20, 42849066), (24, 35707555), (26, 32960820), (29, 29551080), (30, 28566044), (38, 22552140), (39, 21973880), (40, 21424533), (52, 16480410), (57, 15034760), (58, 14775540), (60, 14283022), (65, 13184328), (76, 11276070), (78, 10986940), (87, 9850360), (95, 9020856), (104, 8240205), (114, 7517380), (116, 7387770), (120, 7141511), (130, 6592164), (145, 5910216), (152, 5638035), (156, 5493470), (174, 4925180), (190, 4510428), (195, 4394776), (228, 3758690), (232, 3693885), (247, 3469560), (260, 3296082), (285, 3006952), (290, 2955108), (312, 2746735), (348, 2462590), (377, 2273160), (380, 2255214), (390, 2197388), (435, 1970072), (456, 1879345), (494, 1734780), (520, 1648041), (551, 1555320), (570, 1503476), (580, 1477554), (696, 1231295), (741, 1156520), (754, 1136580), (760, 1127607), (780, 1098694), (870, 985036), (988, 867390), (997, 859560), (1102, 777660), (1131, 757720), (1140, 751738), (1160, 738777), (1235, 693912), (1482, 578260), (1508, 568290), (1560, 549347), (1653, 518440), (1740, 492518), (1885, 454632), (1976, 433695), (1994, 429780), (2204, 388830), (2262, 378860), (2280, 375869), (2470, 346956), (2755, 311064), (2964, 289130), (2991, 286520), (3016, 284145), (3306, 259220), (3480, 246259), (3705, 231304), (3770, 227316), (3988, 214890), (4408, 194415), (4524, 189430), (4940, 173478), (4985, 171912), (5510, 155532), (5655, 151544), (5928, 144565), (5982, 143260), (6612, 129610), (7163, 119640), (7410, 115652), (7540, 113658), (7976, 107445), (8265, 103688), (9048, 94715), (9880, 86739), (9970, 85956), (11020, 77766), (11310, 75772), (11964, 71630), (12961, 66120), (13224, 64805), (14326, 59820), (14820, 57826), (14955, 57304), (15080, 56829), (16530, 51844), (18943, 45240), (19940, 42978), (21489, 39880), (22040, 38883), (22620, 37886), (23928, 35815), (25922, 33060), (28652, 29910), (28913, 29640)]