221255520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{460949}}^1$

素因数の和:460967

約数の個数: 48

約数和(自身を含む): 696956400

約数和(自身を除く): 475700880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 460949, 921898, 1382847, 1843796, 2304745, 2765694, 3687592, 4609490, 5531388, 6914235, 7375184, 9218980, 11062776, 13828470, 14750368, 18437960, 22125552, 27656940, 36875920, 44251104, 55313880, 73751840, 110627760, 221255520]

約数ペア:

[(1, 221255520), (2, 110627760), (3, 73751840), (4, 55313880), (5, 44251104), (6, 36875920), (8, 27656940), (10, 22125552), (12, 18437960), (15, 14750368), (16, 13828470), (20, 11062776), (24, 9218980), (30, 7375184), (32, 6914235), (40, 5531388), (48, 4609490), (60, 3687592), (80, 2765694), (96, 2304745), (120, 1843796), (160, 1382847), (240, 921898), (480, 460949)]