31908240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1$

素因数の和:526

約数の個数: 240

約数和(自身を含む): 132158208

約数和(自身を除く): 100249968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 487, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 974, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1461, 1560, 1638, 1680, 1820, 1872, 1948, 2184, 2340, 2435, 2520, 2730, 2922, 3120, 3276, 3409, 3640, 3896, 4095, 4368, 4383, 4680, 4870, 5040, 5460, 5844, 6331, 6552, 6818, 7280, 7305, 7792, 8190, 8766, 9360, 9740, 10227, 10920, 11688, 12662, 13104, 13636, 14610, 16380, 17045, 17532, 18993, 19480, 20454, 21840, 21915, 23376, 25324, 27272, 29220, 30681, 31655, 32760, 34090, 35064, 37986, 38960, 40908, 43830, 44317, 50648, 51135, 54544, 56979, 58440, 61362, 63310, 65520, 68180, 70128, 75972, 81816, 87660, 88634, 94965, 101296, 102270, 113958, 116880, 122724, 126620, 132951, 136360, 151944, 153405, 163632, 175320, 177268, 189930, 204540, 221585, 227916, 245448, 253240, 265902, 272720, 284895, 303888, 306810, 350640, 354536, 379860, 398853, 409080, 443170, 455832, 490896, 506480, 531804, 569790, 613620, 664755, 709072, 759720, 797706, 818160, 886340, 911664, 1063608, 1139580, 1227240, 1329510, 1519440, 1595412, 1772680, 1994265, 2127216, 2279160, 2454480, 2659020, 3190824, 3545360, 3988530, 4558320, 5318040, 6381648, 7977060, 10636080, 15954120, 31908240]

約数ペア:

[(1, 31908240), (2, 15954120), (3, 10636080), (4, 7977060), (5, 6381648), (6, 5318040), (7, 4558320), (8, 3988530), (9, 3545360), (10, 3190824), (12, 2659020), (13, 2454480), (14, 2279160), (15, 2127216), (16, 1994265), (18, 1772680), (20, 1595412), (21, 1519440), (24, 1329510), (26, 1227240), (28, 1139580), (30, 1063608), (35, 911664), (36, 886340), (39, 818160), (40, 797706), (42, 759720), (45, 709072), (48, 664755), (52, 613620), (56, 569790), (60, 531804), (63, 506480), (65, 490896), (70, 455832), (72, 443170), (78, 409080), (80, 398853), (84, 379860), (90, 354536), (91, 350640), (104, 306810), (105, 303888), (112, 284895), (117, 272720), (120, 265902), (126, 253240), (130, 245448), (140, 227916), (144, 221585), (156, 204540), (168, 189930), (180, 177268), (182, 175320), (195, 163632), (208, 153405), (210, 151944), (234, 136360), (240, 132951), (252, 126620), (260, 122724), (273, 116880), (280, 113958), (312, 102270), (315, 101296), (336, 94965), (360, 88634), (364, 87660), (390, 81816), (420, 75972), (455, 70128), (468, 68180), (487, 65520), (504, 63310), (520, 61362), (546, 58440), (560, 56979), (585, 54544), (624, 51135), (630, 50648), (720, 44317), (728, 43830), (780, 40908), (819, 38960), (840, 37986), (910, 35064), (936, 34090), (974, 32760), (1008, 31655), (1040, 30681), (1092, 29220), (1170, 27272), (1260, 25324), (1365, 23376), (1456, 21915), (1461, 21840), (1560, 20454), (1638, 19480), (1680, 18993), (1820, 17532), (1872, 17045), (1948, 16380), (2184, 14610), (2340, 13636), (2435, 13104), (2520, 12662), (2730, 11688), (2922, 10920), (3120, 10227), (3276, 9740), (3409, 9360), (3640, 8766), (3896, 8190), (4095, 7792), (4368, 7305), (4383, 7280), (4680, 6818), (4870, 6552), (5040, 6331), (5460, 5844)]