73407320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{641}}^1$

素因数の和:1068

約数の個数: 64

約数和(自身を含む): 189518400

約数和(自身を除く): 116111080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 409, 641, 818, 1282, 1636, 2045, 2564, 2863, 3205, 3272, 4090, 4487, 5128, 5726, 6410, 8180, 8974, 11452, 12820, 14315, 16360, 17948, 22435, 22904, 25640, 28630, 35896, 44870, 57260, 89740, 114520, 179480, 262169, 524338, 1048676, 1310845, 1835183, 2097352, 2621690, 3670366, 5243380, 7340732, 9175915, 10486760, 14681464, 18351830, 36703660, 73407320]

約数ペア:

[(1, 73407320), (2, 36703660), (4, 18351830), (5, 14681464), (7, 10486760), (8, 9175915), (10, 7340732), (14, 5243380), (20, 3670366), (28, 2621690), (35, 2097352), (40, 1835183), (56, 1310845), (70, 1048676), (140, 524338), (280, 262169), (409, 179480), (641, 114520), (818, 89740), (1282, 57260), (1636, 44870), (2045, 35896), (2564, 28630), (2863, 25640), (3205, 22904), (3272, 22435), (4090, 17948), (4487, 16360), (5128, 14315), (5726, 12820), (6410, 11452), (8180, 8974)]