72491880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{563}}^1$

素因数の和:643

約数の個数: 128

約数和(自身を含む): 231465600

約数和(自身を除く): 158973720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 37, 40, 58, 60, 74, 87, 111, 116, 120, 145, 148, 174, 185, 222, 232, 290, 296, 348, 370, 435, 444, 555, 563, 580, 696, 740, 870, 888, 1073, 1110, 1126, 1160, 1480, 1689, 1740, 2146, 2220, 2252, 2815, 3219, 3378, 3480, 4292, 4440, 4504, 5365, 5630, 6438, 6756, 8445, 8584, 10730, 11260, 12876, 13512, 16095, 16327, 16890, 20831, 21460, 22520, 25752, 32190, 32654, 33780, 41662, 42920, 48981, 62493, 64380, 65308, 67560, 81635, 83324, 97962, 104155, 124986, 128760, 130616, 163270, 166648, 195924, 208310, 244905, 249972, 312465, 326540, 391848, 416620, 489810, 499944, 604099, 624930, 653080, 833240, 979620, 1208198, 1249860, 1812297, 1959240, 2416396, 2499720, 3020495, 3624594, 4832792, 6040990, 7249188, 9061485, 12081980, 14498376, 18122970, 24163960, 36245940, 72491880]

約数ペア:

[(1, 72491880), (2, 36245940), (3, 24163960), (4, 18122970), (5, 14498376), (6, 12081980), (8, 9061485), (10, 7249188), (12, 6040990), (15, 4832792), (20, 3624594), (24, 3020495), (29, 2499720), (30, 2416396), (37, 1959240), (40, 1812297), (58, 1249860), (60, 1208198), (74, 979620), (87, 833240), (111, 653080), (116, 624930), (120, 604099), (145, 499944), (148, 489810), (174, 416620), (185, 391848), (222, 326540), (232, 312465), (290, 249972), (296, 244905), (348, 208310), (370, 195924), (435, 166648), (444, 163270), (555, 130616), (563, 128760), (580, 124986), (696, 104155), (740, 97962), (870, 83324), (888, 81635), (1073, 67560), (1110, 65308), (1126, 64380), (1160, 62493), (1480, 48981), (1689, 42920), (1740, 41662), (2146, 33780), (2220, 32654), (2252, 32190), (2815, 25752), (3219, 22520), (3378, 21460), (3480, 20831), (4292, 16890), (4440, 16327), (4504, 16095), (5365, 13512), (5630, 12876), (6438, 11260), (6756, 10730), (8445, 8584)]