15881220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1063}}^1$

素因数の和:1161

約数の個数: 72

約数和(自身を含む): 48799296

約数和(自身を除く): 32918076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1063, 1245, 1494, 1660, 2126, 2490, 2988, 3189, 3735, 4252, 4980, 5315, 6378, 7470, 9567, 10630, 12756, 14940, 15945, 19134, 21260, 31890, 38268, 47835, 63780, 88229, 95670, 176458, 191340, 264687, 352916, 441145, 529374, 794061, 882290, 1058748, 1323435, 1588122, 1764580, 2646870, 3176244, 3970305, 5293740, 7940610, 15881220]

約数ペア:

[(1, 15881220), (2, 7940610), (3, 5293740), (4, 3970305), (5, 3176244), (6, 2646870), (9, 1764580), (10, 1588122), (12, 1323435), (15, 1058748), (18, 882290), (20, 794061), (30, 529374), (36, 441145), (45, 352916), (60, 264687), (83, 191340), (90, 176458), (166, 95670), (180, 88229), (249, 63780), (332, 47835), (415, 38268), (498, 31890), (747, 21260), (830, 19134), (996, 15945), (1063, 14940), (1245, 12756), (1494, 10630), (1660, 9567), (2126, 7470), (2490, 6378), (2988, 5315), (3189, 4980), (3735, 4252)]