31441680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43669}}^1$

素因数の和:43688

約数の個数: 60

約数和(自身を含む): 105594060

約数和(自身を除く): 74152380

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, 43669, 87338, 131007, 174676, 218345, 262014, 349352, 393021, 436690, 524028, 655035, 698704, 786042, 873380, 1048056, 1310070, 1572084, 1746760, 1965105, 2096112, 2620140, 3144168, 3493520, 3930210, 5240280, 6288336, 7860420, 10480560, 15720840, 31441680]

約数ペア:

[(1, 31441680), (2, 15720840), (3, 10480560), (4, 7860420), (5, 6288336), (6, 5240280), (8, 3930210), (9, 3493520), (10, 3144168), (12, 2620140), (15, 2096112), (16, 1965105), (18, 1746760), (20, 1572084), (24, 1310070), (30, 1048056), (36, 873380), (40, 786042), (45, 698704), (48, 655035), (60, 524028), (72, 436690), (80, 393021), (90, 349352), (120, 262014), (144, 218345), (180, 174676), (240, 131007), (360, 87338), (720, 43669)]