253731520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{499}}^1$

素因数の和:750

約数の個数: 112

約数和(自身を含む): 694944000

約数和(自身を除く): 441212480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 227, 280, 320, 448, 454, 499, 560, 908, 998, 1120, 1135, 1589, 1816, 1996, 2240, 2270, 2495, 3178, 3493, 3632, 3992, 4540, 4990, 6356, 6986, 7264, 7945, 7984, 9080, 9980, 12712, 13972, 14528, 15890, 15968, 17465, 18160, 19960, 25424, 27944, 31780, 31936, 34930, 36320, 39920, 50848, 55888, 63560, 69860, 72640, 79840, 101696, 111776, 113273, 127120, 139720, 159680, 223552, 226546, 254240, 279440, 453092, 508480, 558880, 566365, 792911, 906184, 1117760, 1132730, 1585822, 1812368, 2265460, 3171644, 3624736, 3964555, 4530920, 6343288, 7249472, 7929110, 9061840, 12686576, 15858220, 18123680, 25373152, 31716440, 36247360, 50746304, 63432880, 126865760, 253731520]

約数ペア:

[(1, 253731520), (2, 126865760), (4, 63432880), (5, 50746304), (7, 36247360), (8, 31716440), (10, 25373152), (14, 18123680), (16, 15858220), (20, 12686576), (28, 9061840), (32, 7929110), (35, 7249472), (40, 6343288), (56, 4530920), (64, 3964555), (70, 3624736), (80, 3171644), (112, 2265460), (140, 1812368), (160, 1585822), (224, 1132730), (227, 1117760), (280, 906184), (320, 792911), (448, 566365), (454, 558880), (499, 508480), (560, 453092), (908, 279440), (998, 254240), (1120, 226546), (1135, 223552), (1589, 159680), (1816, 139720), (1996, 127120), (2240, 113273), (2270, 111776), (2495, 101696), (3178, 79840), (3493, 72640), (3632, 69860), (3992, 63560), (4540, 55888), (4990, 50848), (6356, 39920), (6986, 36320), (7264, 34930), (7945, 31936), (7984, 31780), (9080, 27944), (9980, 25424), (12712, 19960), (13972, 18160), (14528, 17465), (15890, 15968)]