220852080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{306739}}^1$

素因数の和:306758

約数の個数: 60

約数和(自身を含む): 741697320

約数和(自身を除く): 520845240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 306739, 613478, 920217, 1226956, 1533695, 1840434, 2453912, 2760651, 3067390, 3680868, 4601085, 4907824, 5521302, 6134780, 7361736, 9202170, 11042604, 12269560, 13803255, 14723472, 18404340, 22085208, 24539120, 27606510, 36808680, 44170416, 55213020, 73617360, 110426040, 220852080]

約数ペア:

[(1, 220852080), (2, 110426040), (3, 73617360), (4, 55213020), (5, 44170416), (6, 36808680), (8, 27606510), (9, 24539120), (10, 22085208), (12, 18404340), (15, 14723472), (16, 13803255), (18, 12269560), (20, 11042604), (24, 9202170), (30, 7361736), (36, 6134780), (40, 5521302), (45, 4907824), (48, 4601085), (60, 3680868), (72, 3067390), (80, 2760651), (90, 2453912), (120, 1840434), (144, 1533695), (180, 1226956), (240, 920217), (360, 613478), (720, 306739)]