131624720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{461}}^1$

素因数の和:600

約数の個数: 80

約数和(自身を含む): 317604672

約数和(自身を除く): 185979952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 83, 86, 166, 172, 215, 332, 344, 415, 430, 461, 664, 688, 830, 860, 922, 1328, 1660, 1720, 1844, 2305, 3320, 3440, 3569, 3688, 4610, 6640, 7138, 7376, 9220, 14276, 17845, 18440, 19823, 28552, 35690, 36880, 38263, 39646, 57104, 71380, 76526, 79292, 99115, 142760, 153052, 158584, 191315, 198230, 285520, 306104, 317168, 382630, 396460, 612208, 765260, 792920, 1530520, 1585840, 1645309, 3061040, 3290618, 6581236, 8226545, 13162472, 16453090, 26324944, 32906180, 65812360, 131624720]

約数ペア:

[(1, 131624720), (2, 65812360), (4, 32906180), (5, 26324944), (8, 16453090), (10, 13162472), (16, 8226545), (20, 6581236), (40, 3290618), (43, 3061040), (80, 1645309), (83, 1585840), (86, 1530520), (166, 792920), (172, 765260), (215, 612208), (332, 396460), (344, 382630), (415, 317168), (430, 306104), (461, 285520), (664, 198230), (688, 191315), (830, 158584), (860, 153052), (922, 142760), (1328, 99115), (1660, 79292), (1720, 76526), (1844, 71380), (2305, 57104), (3320, 39646), (3440, 38263), (3569, 36880), (3688, 35690), (4610, 28552), (6640, 19823), (7138, 18440), (7376, 17845), (9220, 14276)]