31031640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{487}}^1$

素因数の和:566

約数の個数: 128

約数和(自身を含む): 105408000

約数和(自身を除く): 74376360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 59, 60, 72, 90, 108, 118, 120, 135, 177, 180, 216, 236, 270, 295, 354, 360, 472, 487, 531, 540, 590, 708, 885, 974, 1062, 1080, 1180, 1416, 1461, 1593, 1770, 1948, 2124, 2360, 2435, 2655, 2922, 3186, 3540, 3896, 4248, 4383, 4870, 5310, 5844, 6372, 7080, 7305, 7965, 8766, 9740, 10620, 11688, 12744, 13149, 14610, 15930, 17532, 19480, 21240, 21915, 26298, 28733, 29220, 31860, 35064, 43830, 52596, 57466, 58440, 63720, 65745, 86199, 87660, 105192, 114932, 131490, 143665, 172398, 175320, 229864, 258597, 262980, 287330, 344796, 430995, 517194, 525960, 574660, 689592, 775791, 861990, 1034388, 1149320, 1292985, 1551582, 1723980, 2068776, 2585970, 3103164, 3447960, 3878955, 5171940, 6206328, 7757910, 10343880, 15515820, 31031640]

約数ペア:

[(1, 31031640), (2, 15515820), (3, 10343880), (4, 7757910), (5, 6206328), (6, 5171940), (8, 3878955), (9, 3447960), (10, 3103164), (12, 2585970), (15, 2068776), (18, 1723980), (20, 1551582), (24, 1292985), (27, 1149320), (30, 1034388), (36, 861990), (40, 775791), (45, 689592), (54, 574660), (59, 525960), (60, 517194), (72, 430995), (90, 344796), (108, 287330), (118, 262980), (120, 258597), (135, 229864), (177, 175320), (180, 172398), (216, 143665), (236, 131490), (270, 114932), (295, 105192), (354, 87660), (360, 86199), (472, 65745), (487, 63720), (531, 58440), (540, 57466), (590, 52596), (708, 43830), (885, 35064), (974, 31860), (1062, 29220), (1080, 28733), (1180, 26298), (1416, 21915), (1461, 21240), (1593, 19480), (1770, 17532), (1948, 15930), (2124, 14610), (2360, 13149), (2435, 12744), (2655, 11688), (2922, 10620), (3186, 9740), (3540, 8766), (3896, 7965), (4248, 7305), (4383, 7080), (4870, 6372), (5310, 5844)]