991978920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{29629}}^1$

素因数の和:29680

約数の個数: 128

約数和(自身を含む): 3413376000

約数和(自身を除く): 2421397080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 8370, 11160, 16740, 29629, 33480, 59258, 88887, 118516, 148145, 177774, 237032, 266661, 296290, 355548, 444435, 533322, 592580, 711096, 799983, 888870, 918499, 1066644, 1185160, 1333305, 1599966, 1777740, 1836998, 2133288, 2666610, 2755497, 3199932, 3555480, 3673996, 3999915, 4592495, 5333220, 5510994, 6399864, 7347992, 7999830, 8266491, 9184990, 10666440, 11021988, 13777485, 15999660, 16532982, 18369980, 22043976, 24799473, 27554970, 31999320, 33065964, 36739960, 41332455, 49598946, 55109940, 66131928, 82664910, 99197892, 110219880, 123997365, 165329820, 198395784, 247994730, 330659640, 495989460, 991978920]

約数ペア:

[(1, 991978920), (2, 495989460), (3, 330659640), (4, 247994730), (5, 198395784), (6, 165329820), (8, 123997365), (9, 110219880), (10, 99197892), (12, 82664910), (15, 66131928), (18, 55109940), (20, 49598946), (24, 41332455), (27, 36739960), (30, 33065964), (31, 31999320), (36, 27554970), (40, 24799473), (45, 22043976), (54, 18369980), (60, 16532982), (62, 15999660), (72, 13777485), (90, 11021988), (93, 10666440), (108, 9184990), (120, 8266491), (124, 7999830), (135, 7347992), (155, 6399864), (180, 5510994), (186, 5333220), (216, 4592495), (248, 3999915), (270, 3673996), (279, 3555480), (310, 3199932), (360, 2755497), (372, 2666610), (465, 2133288), (540, 1836998), (558, 1777740), (620, 1599966), (744, 1333305), (837, 1185160), (930, 1066644), (1080, 918499), (1116, 888870), (1240, 799983), (1395, 711096), (1674, 592580), (1860, 533322), (2232, 444435), (2790, 355548), (3348, 296290), (3720, 266661), (4185, 237032), (5580, 177774), (6696, 148145), (8370, 118516), (11160, 88887), (16740, 59258), (29629, 33480)]