220859280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{306749}}^1$

素因数の和:306768

約数の個数: 60

約数和(自身を含む): 741721500

約数和(自身を除く): 520862220

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, 306749, 613498, 920247, 1226996, 1533745, 1840494, 2453992, 2760741, 3067490, 3680988, 4601235, 4907984, 5521482, 6134980, 7361976, 9202470, 11042964, 12269960, 13803705, 14723952, 18404940, 22085928, 24539920, 27607410, 36809880, 44171856, 55214820, 73619760, 110429640, 220859280]

約数ペア:

[(1, 220859280), (2, 110429640), (3, 73619760), (4, 55214820), (5, 44171856), (6, 36809880), (8, 27607410), (9, 24539920), (10, 22085928), (12, 18404940), (15, 14723952), (16, 13803705), (18, 12269960), (20, 11042964), (24, 9202470), (30, 7361976), (36, 6134980), (40, 5521482), (45, 4907984), (48, 4601235), (60, 3680988), (72, 3067490), (80, 2760741), (90, 2453992), (120, 1840494), (144, 1533745), (180, 1226996), (240, 920247), (360, 613498), (720, 306749)]