745591280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25121}}^1$

素因数の和:25194

約数の個数: 80

約数和(自身を含む): 2018602944

約数和(自身を除く): 1273011664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1484, 1855, 2120, 2968, 3710, 4240, 5936, 7420, 14840, 25121, 29680, 50242, 100484, 125605, 175847, 200968, 251210, 351694, 401936, 502420, 703388, 879235, 1004840, 1331413, 1406776, 1758470, 2009680, 2662826, 2813552, 3516940, 5325652, 6657065, 7033880, 9319891, 10651304, 13314130, 14067760, 18639782, 21302608, 26628260, 37279564, 46599455, 53256520, 74559128, 93198910, 106513040, 149118256, 186397820, 372795640, 745591280]

約数ペア:

[(1, 745591280), (2, 372795640), (4, 186397820), (5, 149118256), (7, 106513040), (8, 93198910), (10, 74559128), (14, 53256520), (16, 46599455), (20, 37279564), (28, 26628260), (35, 21302608), (40, 18639782), (53, 14067760), (56, 13314130), (70, 10651304), (80, 9319891), (106, 7033880), (112, 6657065), (140, 5325652), (212, 3516940), (265, 2813552), (280, 2662826), (371, 2009680), (424, 1758470), (530, 1406776), (560, 1331413), (742, 1004840), (848, 879235), (1060, 703388), (1484, 502420), (1855, 401936), (2120, 351694), (2968, 251210), (3710, 200968), (4240, 175847), (5936, 125605), (7420, 100484), (14840, 50242), (25121, 29680)]