71347120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2213}}^1$

素因数の和:2270

約数の個数: 80

約数和(自身を含む): 184488192

約数和(自身を除く): 113141072

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2213, 2480, 3224, 4030, 4426, 6448, 8060, 8852, 11065, 16120, 17704, 22130, 28769, 32240, 35408, 44260, 57538, 68603, 88520, 115076, 137206, 143845, 177040, 230152, 274412, 287690, 343015, 460304, 548824, 575380, 686030, 891839, 1097648, 1150760, 1372060, 1783678, 2301520, 2744120, 3567356, 4459195, 5488240, 7134712, 8918390, 14269424, 17836780, 35673560, 71347120]

約数ペア:

[(1, 71347120), (2, 35673560), (4, 17836780), (5, 14269424), (8, 8918390), (10, 7134712), (13, 5488240), (16, 4459195), (20, 3567356), (26, 2744120), (31, 2301520), (40, 1783678), (52, 1372060), (62, 1150760), (65, 1097648), (80, 891839), (104, 686030), (124, 575380), (130, 548824), (155, 460304), (208, 343015), (248, 287690), (260, 274412), (310, 230152), (403, 177040), (496, 143845), (520, 137206), (620, 115076), (806, 88520), (1040, 68603), (1240, 57538), (1612, 44260), (2015, 35408), (2213, 32240), (2480, 28769), (3224, 22130), (4030, 17704), (4426, 16120), (6448, 11065), (8060, 8852)]