51337680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{523}}^1$

素因数の和:948

約数の個数: 80

約数和(自身を含む): 159840960

約数和(自身を除く): 108503280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 409, 523, 818, 1046, 1227, 1569, 1636, 2045, 2092, 2454, 2615, 3138, 3272, 4090, 4184, 4908, 5230, 6135, 6276, 6544, 7845, 8180, 8368, 9816, 10460, 12270, 12552, 15690, 16360, 19632, 20920, 24540, 25104, 31380, 32720, 41840, 49080, 62760, 98160, 125520, 213907, 427814, 641721, 855628, 1069535, 1283442, 1711256, 2139070, 2566884, 3208605, 3422512, 4278140, 5133768, 6417210, 8556280, 10267536, 12834420, 17112560, 25668840, 51337680]

約数ペア:

[(1, 51337680), (2, 25668840), (3, 17112560), (4, 12834420), (5, 10267536), (6, 8556280), (8, 6417210), (10, 5133768), (12, 4278140), (15, 3422512), (16, 3208605), (20, 2566884), (24, 2139070), (30, 1711256), (40, 1283442), (48, 1069535), (60, 855628), (80, 641721), (120, 427814), (240, 213907), (409, 125520), (523, 98160), (818, 62760), (1046, 49080), (1227, 41840), (1569, 32720), (1636, 31380), (2045, 25104), (2092, 24540), (2454, 20920), (2615, 19632), (3138, 16360), (3272, 15690), (4090, 12552), (4184, 12270), (4908, 10460), (5230, 9816), (6135, 8368), (6276, 8180), (6544, 7845)]