61220720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{953}}^1$

素因数の和:1050

約数の個数: 80

約数和(自身を含む): 157570272

約数和(自身を除く): 96349552

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 292, 365, 440, 584, 730, 803, 880, 953, 1168, 1460, 1606, 1906, 2920, 3212, 3812, 4015, 4765, 5840, 6424, 7624, 8030, 9530, 10483, 12848, 15248, 16060, 19060, 20966, 32120, 38120, 41932, 52415, 64240, 69569, 76240, 83864, 104830, 139138, 167728, 209660, 278276, 347845, 419320, 556552, 695690, 765259, 838640, 1113104, 1391380, 1530518, 2782760, 3061036, 3826295, 5565520, 6122072, 7652590, 12244144, 15305180, 30610360, 61220720]

約数ペア:

[(1, 61220720), (2, 30610360), (4, 15305180), (5, 12244144), (8, 7652590), (10, 6122072), (11, 5565520), (16, 3826295), (20, 3061036), (22, 2782760), (40, 1530518), (44, 1391380), (55, 1113104), (73, 838640), (80, 765259), (88, 695690), (110, 556552), (146, 419320), (176, 347845), (220, 278276), (292, 209660), (365, 167728), (440, 139138), (584, 104830), (730, 83864), (803, 76240), (880, 69569), (953, 64240), (1168, 52415), (1460, 41932), (1606, 38120), (1906, 32120), (2920, 20966), (3212, 19060), (3812, 16060), (4015, 15248), (4765, 12848), (5840, 10483), (6424, 9530), (7624, 8030)]