666157120

素因数分解:

$2^6\times 5^1\times {\mathrm{73}}^1\times {\mathrm{28517}}^1$

素因数の和:28607

約数の個数: 56

約数和(自身を含む): 1608072984

約数和(自身を除く): 941915864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 146, 160, 292, 320, 365, 584, 730, 1168, 1460, 2336, 2920, 4672, 5840, 11680, 23360, 28517, 57034, 114068, 142585, 228136, 285170, 456272, 570340, 912544, 1140680, 1825088, 2081741, 2281360, 4163482, 4562720, 8326964, 9125440, 10408705, 16653928, 20817410, 33307856, 41634820, 66615712, 83269640, 133231424, 166539280, 333078560, 666157120]

約数ペア:

[(1, 666157120), (2, 333078560), (4, 166539280), (5, 133231424), (8, 83269640), (10, 66615712), (16, 41634820), (20, 33307856), (32, 20817410), (40, 16653928), (64, 10408705), (73, 9125440), (80, 8326964), (146, 4562720), (160, 4163482), (292, 2281360), (320, 2081741), (365, 1825088), (584, 1140680), (730, 912544), (1168, 570340), (1460, 456272), (2336, 285170), (2920, 228136), (4672, 142585), (5840, 114068), (11680, 57034), (23360, 28517)]