1250971520

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3709}}^1$

素因数の和:3776

約数の個数: 128

約数和(自身を含む): 3269548800

約数和(自身を除く): 2018577280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 640, 680, 992, 1054, 1088, 1240, 1360, 1984, 2108, 2176, 2480, 2635, 2720, 3709, 3968, 4216, 4960, 5270, 5440, 7418, 8432, 9920, 10540, 10880, 14836, 16864, 18545, 19840, 21080, 29672, 33728, 37090, 42160, 59344, 63053, 67456, 74180, 84320, 114979, 118688, 126106, 148360, 168640, 229958, 237376, 252212, 296720, 315265, 337280, 459916, 474752, 504424, 574895, 593440, 630530, 919832, 1008848, 1149790, 1186880, 1261060, 1839664, 1954643, 2017696, 2299580, 2373760, 2522120, 3679328, 3909286, 4035392, 4599160, 5044240, 7358656, 7818572, 8070784, 9198320, 9773215, 10088480, 14717312, 15637144, 18396640, 19546430, 20176960, 31274288, 36793280, 39092860, 40353920, 62548576, 73586560, 78185720, 125097152, 156371440, 250194304, 312742880, 625485760, 1250971520]

約数ペア:

[(1, 1250971520), (2, 625485760), (4, 312742880), (5, 250194304), (8, 156371440), (10, 125097152), (16, 78185720), (17, 73586560), (20, 62548576), (31, 40353920), (32, 39092860), (34, 36793280), (40, 31274288), (62, 20176960), (64, 19546430), (68, 18396640), (80, 15637144), (85, 14717312), (124, 10088480), (128, 9773215), (136, 9198320), (155, 8070784), (160, 7818572), (170, 7358656), (248, 5044240), (272, 4599160), (310, 4035392), (320, 3909286), (340, 3679328), (496, 2522120), (527, 2373760), (544, 2299580), (620, 2017696), (640, 1954643), (680, 1839664), (992, 1261060), (1054, 1186880), (1088, 1149790), (1240, 1008848), (1360, 919832), (1984, 630530), (2108, 593440), (2176, 574895), (2480, 504424), (2635, 474752), (2720, 459916), (3709, 337280), (3968, 315265), (4216, 296720), (4960, 252212), (5270, 237376), (5440, 229958), (7418, 168640), (8432, 148360), (9920, 126106), (10540, 118688), (10880, 114979), (14836, 84320), (16864, 74180), (18545, 67456), (19840, 63053), (21080, 59344), (29672, 42160), (33728, 37090)]