205087277840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{5399}}^1$

素因数の和:5530

約数の個数: 240

約数和(自身を含む): 532830182400

約数和(自身を除く): 327742904560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 53, 62, 68, 80, 85, 106, 124, 136, 155, 170, 212, 248, 265, 272, 289, 310, 340, 424, 496, 527, 530, 578, 620, 680, 848, 901, 1054, 1060, 1156, 1240, 1360, 1445, 1643, 1802, 2108, 2120, 2312, 2480, 2635, 2890, 3286, 3604, 4216, 4240, 4505, 4624, 5270, 5399, 5780, 6572, 7208, 8215, 8432, 8959, 9010, 10540, 10798, 11560, 13144, 14416, 15317, 16430, 17918, 18020, 21080, 21596, 23120, 26288, 26995, 27931, 30634, 32860, 35836, 36040, 42160, 43192, 44795, 53990, 55862, 61268, 65720, 71672, 72080, 76585, 86384, 89590, 91783, 107980, 111724, 122536, 131440, 139655, 143344, 153170, 167369, 179180, 183566, 215960, 223448, 245072, 279310, 286147, 306340, 334738, 358360, 367132, 431920, 446896, 458915, 474827, 558620, 572294, 612680, 669476, 716720, 734264, 836845, 917830, 949654, 1117240, 1144588, 1225360, 1338952, 1430735, 1468528, 1560311, 1673690, 1835660, 1899308, 2234480, 2289176, 2374135, 2677904, 2845273, 2861470, 3120622, 3347380, 3671320, 3798616, 4578352, 4748270, 4864499, 5690546, 5722940, 6241244, 6694760, 7342640, 7597232, 7801555, 8870557, 9496540, 9728998, 11381092, 11445880, 12482488, 13389520, 14226365, 15603110, 17741114, 18993080, 19457996, 22762184, 22891760, 24322495, 24964976, 28452730, 31206220, 35482228, 37986160, 38915992, 44352785, 45524368, 48369641, 48644990, 56905460, 62412440, 70964456, 77831984, 82696483, 88705570, 96739282, 97289980, 113810920, 124824880, 141928912, 150799469, 165392966, 177411140, 193478564, 194579960, 227621840, 241848205, 301598938, 330785932, 354822280, 386957128, 389159920, 413482415, 483696410, 603197876, 661571864, 709644560, 753997345, 773914256, 826964830, 967392820, 1206395752, 1323143728, 1507994690, 1653929660, 1934785640, 2412791504, 2563590973, 3015989380, 3307859320, 3869571280, 5127181946, 6031978760, 6615718640, 10254363892, 12063957520, 12817954865, 20508727784, 25635909730, 41017455568, 51271819460, 102543638920, 205087277840]

約数ペア:

[(1, 205087277840), (2, 102543638920), (4, 51271819460), (5, 41017455568), (8, 25635909730), (10, 20508727784), (16, 12817954865), (17, 12063957520), (20, 10254363892), (31, 6615718640), (34, 6031978760), (40, 5127181946), (53, 3869571280), (62, 3307859320), (68, 3015989380), (80, 2563590973), (85, 2412791504), (106, 1934785640), (124, 1653929660), (136, 1507994690), (155, 1323143728), (170, 1206395752), (212, 967392820), (248, 826964830), (265, 773914256), (272, 753997345), (289, 709644560), (310, 661571864), (340, 603197876), (424, 483696410), (496, 413482415), (527, 389159920), (530, 386957128), (578, 354822280), (620, 330785932), (680, 301598938), (848, 241848205), (901, 227621840), (1054, 194579960), (1060, 193478564), (1156, 177411140), (1240, 165392966), (1360, 150799469), (1445, 141928912), (1643, 124824880), (1802, 113810920), (2108, 97289980), (2120, 96739282), (2312, 88705570), (2480, 82696483), (2635, 77831984), (2890, 70964456), (3286, 62412440), (3604, 56905460), (4216, 48644990), (4240, 48369641), (4505, 45524368), (4624, 44352785), (5270, 38915992), (5399, 37986160), (5780, 35482228), (6572, 31206220), (7208, 28452730), (8215, 24964976), (8432, 24322495), (8959, 22891760), (9010, 22762184), (10540, 19457996), (10798, 18993080), (11560, 17741114), (13144, 15603110), (14416, 14226365), (15317, 13389520), (16430, 12482488), (17918, 11445880), (18020, 11381092), (21080, 9728998), (21596, 9496540), (23120, 8870557), (26288, 7801555), (26995, 7597232), (27931, 7342640), (30634, 6694760), (32860, 6241244), (35836, 5722940), (36040, 5690546), (42160, 4864499), (43192, 4748270), (44795, 4578352), (53990, 3798616), (55862, 3671320), (61268, 3347380), (65720, 3120622), (71672, 2861470), (72080, 2845273), (76585, 2677904), (86384, 2374135), (89590, 2289176), (91783, 2234480), (107980, 1899308), (111724, 1835660), (122536, 1673690), (131440, 1560311), (139655, 1468528), (143344, 1430735), (153170, 1338952), (167369, 1225360), (179180, 1144588), (183566, 1117240), (215960, 949654), (223448, 917830), (245072, 836845), (279310, 734264), (286147, 716720), (306340, 669476), (334738, 612680), (358360, 572294), (367132, 558620), (431920, 474827), (446896, 458915)]