19910660640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{3457}}^1$

素因数の和:3572

約数の個数: 288

約数和(自身を含む): 68890663296

約数和(自身を除く): 48980002656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 71, 78, 80, 96, 104, 120, 130, 142, 156, 160, 169, 195, 208, 213, 240, 260, 284, 312, 338, 355, 390, 416, 426, 480, 507, 520, 568, 624, 676, 710, 780, 845, 852, 923, 1014, 1040, 1065, 1136, 1248, 1352, 1420, 1560, 1690, 1704, 1846, 2028, 2080, 2130, 2272, 2535, 2704, 2769, 2840, 3120, 3380, 3408, 3457, 3692, 4056, 4260, 4615, 5070, 5408, 5538, 5680, 6240, 6760, 6816, 6914, 7384, 8112, 8520, 9230, 10140, 10371, 11076, 11360, 11999, 13520, 13828, 13845, 14768, 16224, 17040, 17285, 18460, 20280, 20742, 22152, 23998, 27040, 27656, 27690, 29536, 34080, 34570, 35997, 36920, 40560, 41484, 44304, 44941, 47996, 51855, 55312, 55380, 59995, 69140, 71994, 73840, 81120, 82968, 88608, 89882, 95992, 103710, 110624, 110760, 119990, 134823, 138280, 143988, 147680, 165936, 179764, 179985, 191984, 207420, 221520, 224705, 239980, 245447, 269646, 276560, 287976, 331872, 359528, 359970, 383968, 414840, 443040, 449410, 479960, 490894, 539292, 553120, 575952, 584233, 674115, 719056, 719940, 736341, 829680, 898820, 959920, 981788, 1078584, 1151904, 1168466, 1227235, 1348230, 1438112, 1439880, 1472682, 1659360, 1752699, 1797640, 1919840, 1963576, 2157168, 2336932, 2454470, 2696460, 2879760, 2921165, 2945364, 3190811, 3505398, 3595280, 3681705, 3927152, 4314336, 4673864, 4908940, 5392920, 5759520, 5842330, 5890728, 6381622, 7010796, 7190560, 7363410, 7854304, 8763495, 9347728, 9572433, 9817880, 10785840, 11684660, 11781456, 12763244, 14021592, 14726820, 15954055, 17526990, 18695456, 19144866, 19635760, 21571680, 23369320, 23562912, 25526488, 28043184, 29453640, 31908110, 35053980, 38289732, 39271520, 41480543, 46738640, 47862165, 51052976, 56086368, 58907280, 63816220, 70107960, 76579464, 82961086, 93477280, 95724330, 102105952, 117814560, 124441629, 127632440, 140215920, 153158928, 165922172, 191448660, 207402715, 248883258, 255264880, 280431840, 306317856, 331844344, 382897320, 414805430, 497766516, 510529760, 622208145, 663688688, 765794640, 829610860, 995533032, 1244416290, 1327377376, 1531589280, 1659221720, 1991066064, 2488832580, 3318443440, 3982132128, 4977665160, 6636886880, 9955330320, 19910660640]

約数ペア:

[(1, 19910660640), (2, 9955330320), (3, 6636886880), (4, 4977665160), (5, 3982132128), (6, 3318443440), (8, 2488832580), (10, 1991066064), (12, 1659221720), (13, 1531589280), (15, 1327377376), (16, 1244416290), (20, 995533032), (24, 829610860), (26, 765794640), (30, 663688688), (32, 622208145), (39, 510529760), (40, 497766516), (48, 414805430), (52, 382897320), (60, 331844344), (65, 306317856), (71, 280431840), (78, 255264880), (80, 248883258), (96, 207402715), (104, 191448660), (120, 165922172), (130, 153158928), (142, 140215920), (156, 127632440), (160, 124441629), (169, 117814560), (195, 102105952), (208, 95724330), (213, 93477280), (240, 82961086), (260, 76579464), (284, 70107960), (312, 63816220), (338, 58907280), (355, 56086368), (390, 51052976), (416, 47862165), (426, 46738640), (480, 41480543), (507, 39271520), (520, 38289732), (568, 35053980), (624, 31908110), (676, 29453640), (710, 28043184), (780, 25526488), (845, 23562912), (852, 23369320), (923, 21571680), (1014, 19635760), (1040, 19144866), (1065, 18695456), (1136, 17526990), (1248, 15954055), (1352, 14726820), (1420, 14021592), (1560, 12763244), (1690, 11781456), (1704, 11684660), (1846, 10785840), (2028, 9817880), (2080, 9572433), (2130, 9347728), (2272, 8763495), (2535, 7854304), (2704, 7363410), (2769, 7190560), (2840, 7010796), (3120, 6381622), (3380, 5890728), (3408, 5842330), (3457, 5759520), (3692, 5392920), (4056, 4908940), (4260, 4673864), (4615, 4314336), (5070, 3927152), (5408, 3681705), (5538, 3595280), (5680, 3505398), (6240, 3190811), (6760, 2945364), (6816, 2921165), (6914, 2879760), (7384, 2696460), (8112, 2454470), (8520, 2336932), (9230, 2157168), (10140, 1963576), (10371, 1919840), (11076, 1797640), (11360, 1752699), (11999, 1659360), (13520, 1472682), (13828, 1439880), (13845, 1438112), (14768, 1348230), (16224, 1227235), (17040, 1168466), (17285, 1151904), (18460, 1078584), (20280, 981788), (20742, 959920), (22152, 898820), (23998, 829680), (27040, 736341), (27656, 719940), (27690, 719056), (29536, 674115), (34080, 584233), (34570, 575952), (35997, 553120), (36920, 539292), (40560, 490894), (41484, 479960), (44304, 449410), (44941, 443040), (47996, 414840), (51855, 383968), (55312, 359970), (55380, 359528), (59995, 331872), (69140, 287976), (71994, 276560), (73840, 269646), (81120, 245447), (82968, 239980), (88608, 224705), (89882, 221520), (95992, 207420), (103710, 191984), (110624, 179985), (110760, 179764), (119990, 165936), (134823, 147680), (138280, 143988)]