131722380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31817}}^1$

素因数の和:31855

約数の個数: 72

約数和(自身を含む): 416943072

約数和(自身を除く): 285220692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 31817, 63634, 95451, 127268, 159085, 190902, 286353, 318170, 381804, 477255, 572706, 636340, 731791, 954510, 1145412, 1431765, 1463582, 1909020, 2195373, 2863530, 2927164, 3658955, 4390746, 5727060, 6586119, 7317910, 8781492, 10976865, 13172238, 14635820, 21953730, 26344476, 32930595, 43907460, 65861190, 131722380]

約数ペア:

[(1, 131722380), (2, 65861190), (3, 43907460), (4, 32930595), (5, 26344476), (6, 21953730), (9, 14635820), (10, 13172238), (12, 10976865), (15, 8781492), (18, 7317910), (20, 6586119), (23, 5727060), (30, 4390746), (36, 3658955), (45, 2927164), (46, 2863530), (60, 2195373), (69, 1909020), (90, 1463582), (92, 1431765), (115, 1145412), (138, 954510), (180, 731791), (207, 636340), (230, 572706), (276, 477255), (345, 381804), (414, 318170), (460, 286353), (690, 190902), (828, 159085), (1035, 127268), (1380, 95451), (2070, 63634), (4140, 31817)]