20931710280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{13567}}^1$

素因数の和:13660

約数の個数: 256

約数和(自身を含む): 72212152320

約数和(自身を除く): 51280442040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 43, 46, 52, 60, 65, 69, 78, 86, 92, 104, 115, 120, 129, 130, 138, 156, 172, 184, 195, 215, 230, 258, 260, 276, 299, 312, 344, 345, 390, 430, 460, 516, 520, 552, 559, 598, 645, 690, 780, 860, 897, 920, 989, 1032, 1118, 1196, 1290, 1380, 1495, 1560, 1677, 1720, 1794, 1978, 2236, 2392, 2580, 2760, 2795, 2967, 2990, 3354, 3588, 3956, 4472, 4485, 4945, 5160, 5590, 5934, 5980, 6708, 7176, 7912, 8385, 8970, 9890, 11180, 11868, 11960, 12857, 13416, 13567, 14835, 16770, 17940, 19780, 22360, 23736, 25714, 27134, 29670, 33540, 35880, 38571, 39560, 40701, 51428, 54268, 59340, 64285, 67080, 67835, 77142, 81402, 102856, 108536, 118680, 128570, 135670, 154284, 162804, 176371, 192855, 203505, 257140, 271340, 308568, 312041, 325608, 352742, 385710, 407010, 514280, 529113, 542680, 583381, 624082, 705484, 771420, 814020, 881855, 936123, 1058226, 1166762, 1248164, 1410968, 1542840, 1560205, 1628040, 1750143, 1763710, 1872246, 2116452, 2333524, 2496328, 2645565, 2916905, 3120410, 3500286, 3527420, 3744492, 4056533, 4232904, 4667048, 4680615, 5291130, 5833810, 6240820, 7000572, 7054840, 7488984, 7583953, 8113066, 8750715, 9361230, 10582260, 11667620, 12169599, 12481640, 13417763, 14001144, 15167906, 16226132, 17501430, 18722460, 20282665, 21164520, 22751859, 23335240, 24339198, 26835526, 30335812, 32452264, 35002860, 37444920, 37919765, 40253289, 40565330, 45503718, 48678396, 53671052, 60671624, 60847995, 67088815, 70005720, 75839530, 80506578, 81130660, 91007436, 97356792, 107342104, 113759295, 121695990, 134177630, 151679060, 161013156, 162261320, 174430919, 182014872, 201266445, 227518590, 243391980, 268355260, 303358120, 322026312, 348861838, 402532890, 455037180, 486783960, 523292757, 536710520, 697723676, 805065780, 872154595, 910074360, 1046585514, 1395447352, 1610131560, 1744309190, 2093171028, 2616463785, 3488618380, 4186342056, 5232927570, 6977236760, 10465855140, 20931710280]

約数ペア:

[(1, 20931710280), (2, 10465855140), (3, 6977236760), (4, 5232927570), (5, 4186342056), (6, 3488618380), (8, 2616463785), (10, 2093171028), (12, 1744309190), (13, 1610131560), (15, 1395447352), (20, 1046585514), (23, 910074360), (24, 872154595), (26, 805065780), (30, 697723676), (39, 536710520), (40, 523292757), (43, 486783960), (46, 455037180), (52, 402532890), (60, 348861838), (65, 322026312), (69, 303358120), (78, 268355260), (86, 243391980), (92, 227518590), (104, 201266445), (115, 182014872), (120, 174430919), (129, 162261320), (130, 161013156), (138, 151679060), (156, 134177630), (172, 121695990), (184, 113759295), (195, 107342104), (215, 97356792), (230, 91007436), (258, 81130660), (260, 80506578), (276, 75839530), (299, 70005720), (312, 67088815), (344, 60847995), (345, 60671624), (390, 53671052), (430, 48678396), (460, 45503718), (516, 40565330), (520, 40253289), (552, 37919765), (559, 37444920), (598, 35002860), (645, 32452264), (690, 30335812), (780, 26835526), (860, 24339198), (897, 23335240), (920, 22751859), (989, 21164520), (1032, 20282665), (1118, 18722460), (1196, 17501430), (1290, 16226132), (1380, 15167906), (1495, 14001144), (1560, 13417763), (1677, 12481640), (1720, 12169599), (1794, 11667620), (1978, 10582260), (2236, 9361230), (2392, 8750715), (2580, 8113066), (2760, 7583953), (2795, 7488984), (2967, 7054840), (2990, 7000572), (3354, 6240820), (3588, 5833810), (3956, 5291130), (4472, 4680615), (4485, 4667048), (4945, 4232904), (5160, 4056533), (5590, 3744492), (5934, 3527420), (5980, 3500286), (6708, 3120410), (7176, 2916905), (7912, 2645565), (8385, 2496328), (8970, 2333524), (9890, 2116452), (11180, 1872246), (11868, 1763710), (11960, 1750143), (12857, 1628040), (13416, 1560205), (13567, 1542840), (14835, 1410968), (16770, 1248164), (17940, 1166762), (19780, 1058226), (22360, 936123), (23736, 881855), (25714, 814020), (27134, 771420), (29670, 705484), (33540, 624082), (35880, 583381), (38571, 542680), (39560, 529113), (40701, 514280), (51428, 407010), (54268, 385710), (59340, 352742), (64285, 325608), (67080, 312041), (67835, 308568), (77142, 271340), (81402, 257140), (102856, 203505), (108536, 192855), (118680, 176371), (128570, 162804), (135670, 154284)]