260045440

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{6661}}^1$

素因数の和:6741

約数の個数: 64

約数和(自身を含む): 631957320

約数和(自身を除く): 371911880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 6661, 7808, 9760, 13322, 19520, 26644, 33305, 39040, 53288, 66610, 106576, 133220, 213152, 266440, 406321, 426304, 532880, 812642, 852608, 1065760, 1625284, 2031605, 2131520, 3250568, 4063210, 4263040, 6501136, 8126420, 13002272, 16252840, 26004544, 32505680, 52009088, 65011360, 130022720, 260045440]

約数ペア:

[(1, 260045440), (2, 130022720), (4, 65011360), (5, 52009088), (8, 32505680), (10, 26004544), (16, 16252840), (20, 13002272), (32, 8126420), (40, 6501136), (61, 4263040), (64, 4063210), (80, 3250568), (122, 2131520), (128, 2031605), (160, 1625284), (244, 1065760), (305, 852608), (320, 812642), (488, 532880), (610, 426304), (640, 406321), (976, 266440), (1220, 213152), (1952, 133220), (2440, 106576), (3904, 66610), (4880, 53288), (6661, 39040), (7808, 33305), (9760, 26644), (13322, 19520)]