641177680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1367}}^1$

素因数の和:1445

約数の個数: 160

約数和(自身を含む): 1795385088

約数和(自身を除く): 1154207408

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 41, 44, 52, 55, 65, 80, 82, 88, 104, 110, 130, 143, 164, 176, 205, 208, 220, 260, 286, 328, 410, 440, 451, 520, 533, 572, 656, 715, 820, 880, 902, 1040, 1066, 1144, 1367, 1430, 1640, 1804, 2132, 2255, 2288, 2665, 2734, 2860, 3280, 3608, 4264, 4510, 5330, 5468, 5720, 5863, 6835, 7216, 8528, 9020, 10660, 10936, 11440, 11726, 13670, 15037, 17771, 18040, 21320, 21872, 23452, 27340, 29315, 30074, 35542, 36080, 42640, 46904, 54680, 56047, 58630, 60148, 71084, 75185, 88855, 93808, 109360, 112094, 117260, 120296, 142168, 150370, 177710, 195481, 224188, 234520, 240592, 280235, 284336, 300740, 355420, 390962, 448376, 469040, 560470, 601480, 616517, 710840, 728611, 781924, 896752, 977405, 1120940, 1202960, 1233034, 1421680, 1457222, 1563848, 1954810, 2241880, 2466068, 2914444, 3082585, 3127696, 3643055, 3909620, 4483760, 4932136, 5828888, 6165170, 7286110, 7819240, 8014721, 9864272, 11657776, 12330340, 14572220, 15638480, 16029442, 24660680, 29144440, 32058884, 40073605, 49321360, 58288880, 64117768, 80147210, 128235536, 160294420, 320588840, 641177680]

約数ペア:

[(1, 641177680), (2, 320588840), (4, 160294420), (5, 128235536), (8, 80147210), (10, 64117768), (11, 58288880), (13, 49321360), (16, 40073605), (20, 32058884), (22, 29144440), (26, 24660680), (40, 16029442), (41, 15638480), (44, 14572220), (52, 12330340), (55, 11657776), (65, 9864272), (80, 8014721), (82, 7819240), (88, 7286110), (104, 6165170), (110, 5828888), (130, 4932136), (143, 4483760), (164, 3909620), (176, 3643055), (205, 3127696), (208, 3082585), (220, 2914444), (260, 2466068), (286, 2241880), (328, 1954810), (410, 1563848), (440, 1457222), (451, 1421680), (520, 1233034), (533, 1202960), (572, 1120940), (656, 977405), (715, 896752), (820, 781924), (880, 728611), (902, 710840), (1040, 616517), (1066, 601480), (1144, 560470), (1367, 469040), (1430, 448376), (1640, 390962), (1804, 355420), (2132, 300740), (2255, 284336), (2288, 280235), (2665, 240592), (2734, 234520), (2860, 224188), (3280, 195481), (3608, 177710), (4264, 150370), (4510, 142168), (5330, 120296), (5468, 117260), (5720, 112094), (5863, 109360), (6835, 93808), (7216, 88855), (8528, 75185), (9020, 71084), (10660, 60148), (10936, 58630), (11440, 56047), (11726, 54680), (13670, 46904), (15037, 42640), (17771, 36080), (18040, 35542), (21320, 30074), (21872, 29315), (23452, 27340)]