905991120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{40591}}^1$

素因数の和:40641

約数の個数: 120

約数和(自身を含む): 3140846592

約数和(自身を除く): 2234855472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 40591, 81182, 121773, 162364, 202955, 243546, 324728, 365319, 405910, 487092, 608865, 649456, 730638, 811820, 974184, 1217730, 1258321, 1461276, 1623640, 1826595, 1948368, 2435460, 2516642, 2922552, 3247280, 3653190, 3774963, 4870920, 5033284, 5845104, 6291605, 7306380, 7549926, 9741840, 10066568, 11324889, 12583210, 14612760, 15099852, 18874815, 20133136, 22649778, 25166420, 29225520, 30199704, 37749630, 45299556, 50332840, 56624445, 60399408, 75499260, 90599112, 100665680, 113248890, 150998520, 181198224, 226497780, 301997040, 452995560, 905991120]

約数ペア:

[(1, 905991120), (2, 452995560), (3, 301997040), (4, 226497780), (5, 181198224), (6, 150998520), (8, 113248890), (9, 100665680), (10, 90599112), (12, 75499260), (15, 60399408), (16, 56624445), (18, 50332840), (20, 45299556), (24, 37749630), (30, 30199704), (31, 29225520), (36, 25166420), (40, 22649778), (45, 20133136), (48, 18874815), (60, 15099852), (62, 14612760), (72, 12583210), (80, 11324889), (90, 10066568), (93, 9741840), (120, 7549926), (124, 7306380), (144, 6291605), (155, 5845104), (180, 5033284), (186, 4870920), (240, 3774963), (248, 3653190), (279, 3247280), (310, 2922552), (360, 2516642), (372, 2435460), (465, 1948368), (496, 1826595), (558, 1623640), (620, 1461276), (720, 1258321), (744, 1217730), (930, 974184), (1116, 811820), (1240, 730638), (1395, 649456), (1488, 608865), (1860, 487092), (2232, 405910), (2480, 365319), (2790, 324728), (3720, 243546), (4464, 202955), (5580, 162364), (7440, 121773), (11160, 81182), (22320, 40591)]