198757980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1451}}^1$

素因数の和:2227

約数の個数: 72

約数和(自身を含む): 604107504

約数和(自身を除く): 405349524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 761, 1451, 1522, 2283, 2902, 3044, 3805, 4353, 4566, 5804, 6849, 7255, 7610, 8706, 9132, 11415, 13059, 13698, 14510, 15220, 17412, 21765, 22830, 26118, 27396, 29020, 34245, 43530, 45660, 52236, 65295, 68490, 87060, 130590, 136980, 261180, 1104211, 2208422, 3312633, 4416844, 5521055, 6625266, 9937899, 11042110, 13250532, 16563165, 19875798, 22084220, 33126330, 39751596, 49689495, 66252660, 99378990, 198757980]

約数ペア:

[(1, 198757980), (2, 99378990), (3, 66252660), (4, 49689495), (5, 39751596), (6, 33126330), (9, 22084220), (10, 19875798), (12, 16563165), (15, 13250532), (18, 11042110), (20, 9937899), (30, 6625266), (36, 5521055), (45, 4416844), (60, 3312633), (90, 2208422), (180, 1104211), (761, 261180), (1451, 136980), (1522, 130590), (2283, 87060), (2902, 68490), (3044, 65295), (3805, 52236), (4353, 45660), (4566, 43530), (5804, 34245), (6849, 29020), (7255, 27396), (7610, 26118), (8706, 22830), (9132, 21765), (11415, 17412), (13059, 15220), (13698, 14510)]