71220900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{5521}}^1$

素因数の和:5581

約数の個数: 72

約数和(自身を含む): 210896224

約数和(自身を除く): 139675324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 43, 50, 60, 75, 86, 100, 129, 150, 172, 215, 258, 300, 430, 516, 645, 860, 1075, 1290, 2150, 2580, 3225, 4300, 5521, 6450, 11042, 12900, 16563, 22084, 27605, 33126, 55210, 66252, 82815, 110420, 138025, 165630, 237403, 276050, 331260, 414075, 474806, 552100, 712209, 828150, 949612, 1187015, 1424418, 1656300, 2374030, 2848836, 3561045, 4748060, 5935075, 7122090, 11870150, 14244180, 17805225, 23740300, 35610450, 71220900]

約数ペア:

[(1, 71220900), (2, 35610450), (3, 23740300), (4, 17805225), (5, 14244180), (6, 11870150), (10, 7122090), (12, 5935075), (15, 4748060), (20, 3561045), (25, 2848836), (30, 2374030), (43, 1656300), (50, 1424418), (60, 1187015), (75, 949612), (86, 828150), (100, 712209), (129, 552100), (150, 474806), (172, 414075), (215, 331260), (258, 276050), (300, 237403), (430, 165630), (516, 138025), (645, 110420), (860, 82815), (1075, 66252), (1290, 55210), (2150, 33126), (2580, 27605), (3225, 22084), (4300, 16563), (5521, 12900), (6450, 11042)]