863640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{2399}}^1$

素因数の和:2416

約数の個数: 48

約数和(自身を含む): 2808000

約数和(自身を除く): 1944360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 2399, 4798, 7197, 9596, 11995, 14394, 19192, 21591, 23990, 28788, 35985, 43182, 47980, 57576, 71970, 86364, 95960, 107955, 143940, 172728, 215910, 287880, 431820, 863640]

約数ペア:

[(1, 863640), (2, 431820), (3, 287880), (4, 215910), (5, 172728), (6, 143940), (8, 107955), (9, 95960), (10, 86364), (12, 71970), (15, 57576), (18, 47980), (20, 43182), (24, 35985), (30, 28788), (36, 23990), (40, 21591), (45, 19192), (60, 14394), (72, 11995), (90, 9596), (120, 7197), (180, 4798), (360, 2399)]