90904500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{20201}}^1$

素因数の和:20226

約数の個数: 72

約数和(自身を含む): 286787592

約数和(自身を除く): 195883092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 20201, 40402, 60603, 80804, 101005, 121206, 181809, 202010, 242412, 303015, 363618, 404020, 505025, 606030, 727236, 909045, 1010050, 1212060, 1515075, 1818090, 2020100, 2525125, 3030150, 3636180, 4545225, 5050250, 6060300, 7575375, 9090450, 10100500, 15150750, 18180900, 22726125, 30301500, 45452250, 90904500]

約数ペア:

[(1, 90904500), (2, 45452250), (3, 30301500), (4, 22726125), (5, 18180900), (6, 15150750), (9, 10100500), (10, 9090450), (12, 7575375), (15, 6060300), (18, 5050250), (20, 4545225), (25, 3636180), (30, 3030150), (36, 2525125), (45, 2020100), (50, 1818090), (60, 1515075), (75, 1212060), (90, 1010050), (100, 909045), (125, 727236), (150, 606030), (180, 505025), (225, 404020), (250, 363618), (300, 303015), (375, 242412), (450, 202010), (500, 181809), (750, 121206), (900, 101005), (1125, 80804), (1500, 60603), (2250, 40402), (4500, 20201)]