7260103280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{4129}}^1$

素因数の和:4882

約数の個数: 80

約数和(自身を含む): 17453049600

約数和(自身を除く): 10192946320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 709, 1240, 1418, 2480, 2836, 3545, 4129, 5672, 7090, 8258, 11344, 14180, 16516, 20645, 21979, 28360, 33032, 41290, 43958, 56720, 66064, 82580, 87916, 109895, 127999, 165160, 175832, 219790, 255998, 330320, 351664, 439580, 511996, 639995, 879160, 1023992, 1279990, 1758320, 2047984, 2559980, 2927461, 5119960, 5854922, 10239920, 11709844, 14637305, 23419688, 29274610, 46839376, 58549220, 90751291, 117098440, 181502582, 234196880, 363005164, 453756455, 726010328, 907512910, 1452020656, 1815025820, 3630051640, 7260103280]

約数ペア:

[(1, 7260103280), (2, 3630051640), (4, 1815025820), (5, 1452020656), (8, 907512910), (10, 726010328), (16, 453756455), (20, 363005164), (31, 234196880), (40, 181502582), (62, 117098440), (80, 90751291), (124, 58549220), (155, 46839376), (248, 29274610), (310, 23419688), (496, 14637305), (620, 11709844), (709, 10239920), (1240, 5854922), (1418, 5119960), (2480, 2927461), (2836, 2559980), (3545, 2047984), (4129, 1758320), (5672, 1279990), (7090, 1023992), (8258, 879160), (11344, 639995), (14180, 511996), (16516, 439580), (20645, 351664), (21979, 330320), (28360, 255998), (33032, 219790), (41290, 175832), (43958, 165160), (56720, 127999), (66064, 109895), (82580, 87916)]