245280720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{307}}^1\times {\mathrm{3329}}^1$

素因数の和:3652

約数の個数: 80

約数和(自身を含む): 763076160

約数和(自身を除く): 517795440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 307, 614, 921, 1228, 1535, 1842, 2456, 3070, 3329, 3684, 4605, 4912, 6140, 6658, 7368, 9210, 9987, 12280, 13316, 14736, 16645, 18420, 19974, 24560, 26632, 33290, 36840, 39948, 49935, 53264, 66580, 73680, 79896, 99870, 133160, 159792, 199740, 266320, 399480, 798960, 1022003, 2044006, 3066009, 4088012, 5110015, 6132018, 8176024, 10220030, 12264036, 15330045, 16352048, 20440060, 24528072, 30660090, 40880120, 49056144, 61320180, 81760240, 122640360, 245280720]

約数ペア:

[(1, 245280720), (2, 122640360), (3, 81760240), (4, 61320180), (5, 49056144), (6, 40880120), (8, 30660090), (10, 24528072), (12, 20440060), (15, 16352048), (16, 15330045), (20, 12264036), (24, 10220030), (30, 8176024), (40, 6132018), (48, 5110015), (60, 4088012), (80, 3066009), (120, 2044006), (240, 1022003), (307, 798960), (614, 399480), (921, 266320), (1228, 199740), (1535, 159792), (1842, 133160), (2456, 99870), (3070, 79896), (3329, 73680), (3684, 66580), (4605, 53264), (4912, 49935), (6140, 39948), (6658, 36840), (7368, 33290), (9210, 26632), (9987, 24560), (12280, 19974), (13316, 18420), (14736, 16645)]