72171810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{89101}}^1$

素因数の和:89120

約数の個数: 40

約数和(自身を含む): 194064156

約数和(自身を除く): 121892346

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 89101, 178202, 267303, 445505, 534606, 801909, 891010, 1336515, 1603818, 2405727, 2673030, 4009545, 4811454, 7217181, 8019090, 12028635, 14434362, 24057270, 36085905, 72171810]

約数ペア:

[(1, 72171810), (2, 36085905), (3, 24057270), (5, 14434362), (6, 12028635), (9, 8019090), (10, 7217181), (15, 4811454), (18, 4009545), (27, 2673030), (30, 2405727), (45, 1603818), (54, 1336515), (81, 891010), (90, 801909), (135, 534606), (162, 445505), (270, 267303), (405, 178202), (810, 89101)]