18025170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 45048960

約数和(自身を除く): 27023790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 89, 129, 157, 178, 215, 258, 267, 314, 430, 445, 471, 534, 645, 785, 890, 942, 1290, 1335, 1570, 2355, 2670, 3827, 4710, 6751, 7654, 11481, 13502, 13973, 19135, 20253, 22962, 27946, 33755, 38270, 40506, 41919, 57405, 67510, 69865, 83838, 101265, 114810, 139730, 202530, 209595, 419190, 600839, 1201678, 1802517, 3004195, 3605034, 6008390, 9012585, 18025170]

約数ペア:

[(1, 18025170), (2, 9012585), (3, 6008390), (5, 3605034), (6, 3004195), (10, 1802517), (15, 1201678), (30, 600839), (43, 419190), (86, 209595), (89, 202530), (129, 139730), (157, 114810), (178, 101265), (215, 83838), (258, 69865), (267, 67510), (314, 57405), (430, 41919), (445, 40506), (471, 38270), (534, 33755), (645, 27946), (785, 22962), (890, 20253), (942, 19135), (1290, 13973), (1335, 13502), (1570, 11481), (2355, 7654), (2670, 6751), (3827, 4710)]