18220080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{853}}^1$

素因数の和:958

約数の個数: 80

約数和(自身を含む): 57183840

約数和(自身を除く): 38963760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 89, 120, 178, 240, 267, 356, 445, 534, 712, 853, 890, 1068, 1335, 1424, 1706, 1780, 2136, 2559, 2670, 3412, 3560, 4265, 4272, 5118, 5340, 6824, 7120, 8530, 10236, 10680, 12795, 13648, 17060, 20472, 21360, 25590, 34120, 40944, 51180, 68240, 75917, 102360, 151834, 204720, 227751, 303668, 379585, 455502, 607336, 759170, 911004, 1138755, 1214672, 1518340, 1822008, 2277510, 3036680, 3644016, 4555020, 6073360, 9110040, 18220080]

約数ペア:

[(1, 18220080), (2, 9110040), (3, 6073360), (4, 4555020), (5, 3644016), (6, 3036680), (8, 2277510), (10, 1822008), (12, 1518340), (15, 1214672), (16, 1138755), (20, 911004), (24, 759170), (30, 607336), (40, 455502), (48, 379585), (60, 303668), (80, 227751), (89, 204720), (120, 151834), (178, 102360), (240, 75917), (267, 68240), (356, 51180), (445, 40944), (534, 34120), (712, 25590), (853, 21360), (890, 20472), (1068, 17060), (1335, 13648), (1424, 12795), (1706, 10680), (1780, 10236), (2136, 8530), (2559, 7120), (2670, 6824), (3412, 5340), (3560, 5118), (4265, 4272)]