405551640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:266

約数の個数: 256

約数和(自身を含む): 1393459200

約数和(自身を除く): 987907560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 89, 92, 104, 115, 120, 127, 130, 138, 156, 178, 184, 195, 230, 254, 260, 267, 276, 299, 312, 345, 356, 381, 390, 445, 460, 508, 520, 534, 552, 598, 635, 690, 712, 762, 780, 890, 897, 920, 1016, 1068, 1157, 1196, 1270, 1335, 1380, 1495, 1524, 1560, 1651, 1780, 1794, 1905, 2047, 2136, 2314, 2392, 2540, 2670, 2760, 2921, 2990, 3048, 3302, 3471, 3560, 3588, 3810, 4094, 4485, 4628, 4953, 5080, 5340, 5785, 5842, 5980, 6141, 6604, 6942, 7176, 7620, 8188, 8255, 8763, 8970, 9256, 9906, 10235, 10680, 11303, 11570, 11684, 11960, 12282, 13208, 13884, 14605, 15240, 16376, 16510, 17355, 17526, 17940, 19812, 20470, 22606, 23140, 23368, 24564, 24765, 26611, 27768, 29210, 30705, 33020, 33909, 34710, 35052, 35880, 37973, 39624, 40940, 43815, 45212, 46280, 49128, 49530, 53222, 56515, 58420, 61410, 66040, 67818, 69420, 70104, 75946, 79833, 81880, 87630, 90424, 99060, 106444, 113030, 113919, 116840, 122820, 133055, 135636, 138840, 146939, 151892, 159666, 169545, 175260, 189865, 198120, 212888, 226060, 227838, 245640, 259969, 266110, 271272, 293878, 303784, 319332, 339090, 350520, 379730, 399165, 440817, 452120, 455676, 519938, 532220, 569595, 587756, 638664, 678180, 734695, 759460, 779907, 798330, 881634, 911352, 1039876, 1064440, 1139190, 1175512, 1299845, 1356360, 1469390, 1518920, 1559814, 1596660, 1763268, 2079752, 2204085, 2278380, 2599690, 2938780, 3119628, 3193320, 3379597, 3526536, 3899535, 4408170, 4556760, 5199380, 5877560, 6239256, 6759194, 7799070, 8816340, 10138791, 10398760, 13518388, 15598140, 16897985, 17632680, 20277582, 27036776, 31196280, 33795970, 40555164, 50693955, 67591940, 81110328, 101387910, 135183880, 202775820, 405551640]

約数ペア:

[(1, 405551640), (2, 202775820), (3, 135183880), (4, 101387910), (5, 81110328), (6, 67591940), (8, 50693955), (10, 40555164), (12, 33795970), (13, 31196280), (15, 27036776), (20, 20277582), (23, 17632680), (24, 16897985), (26, 15598140), (30, 13518388), (39, 10398760), (40, 10138791), (46, 8816340), (52, 7799070), (60, 6759194), (65, 6239256), (69, 5877560), (78, 5199380), (89, 4556760), (92, 4408170), (104, 3899535), (115, 3526536), (120, 3379597), (127, 3193320), (130, 3119628), (138, 2938780), (156, 2599690), (178, 2278380), (184, 2204085), (195, 2079752), (230, 1763268), (254, 1596660), (260, 1559814), (267, 1518920), (276, 1469390), (299, 1356360), (312, 1299845), (345, 1175512), (356, 1139190), (381, 1064440), (390, 1039876), (445, 911352), (460, 881634), (508, 798330), (520, 779907), (534, 759460), (552, 734695), (598, 678180), (635, 638664), (690, 587756), (712, 569595), (762, 532220), (780, 519938), (890, 455676), (897, 452120), (920, 440817), (1016, 399165), (1068, 379730), (1157, 350520), (1196, 339090), (1270, 319332), (1335, 303784), (1380, 293878), (1495, 271272), (1524, 266110), (1560, 259969), (1651, 245640), (1780, 227838), (1794, 226060), (1905, 212888), (2047, 198120), (2136, 189865), (2314, 175260), (2392, 169545), (2540, 159666), (2670, 151892), (2760, 146939), (2921, 138840), (2990, 135636), (3048, 133055), (3302, 122820), (3471, 116840), (3560, 113919), (3588, 113030), (3810, 106444), (4094, 99060), (4485, 90424), (4628, 87630), (4953, 81880), (5080, 79833), (5340, 75946), (5785, 70104), (5842, 69420), (5980, 67818), (6141, 66040), (6604, 61410), (6942, 58420), (7176, 56515), (7620, 53222), (8188, 49530), (8255, 49128), (8763, 46280), (8970, 45212), (9256, 43815), (9906, 40940), (10235, 39624), (10680, 37973), (11303, 35880), (11570, 35052), (11684, 34710), (11960, 33909), (12282, 33020), (13208, 30705), (13884, 29210), (14605, 27768), (15240, 26611), (16376, 24765), (16510, 24564), (17355, 23368), (17526, 23140), (17940, 22606), (19812, 20470)]