20921759520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1049}}^1\times {\mathrm{1123}}^1$

素因数の和:2227

約数の個数: 192

約数和(自身を含む): 67809571200

約数和(自身を除く): 46887811680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 74, 80, 96, 111, 120, 148, 160, 185, 222, 240, 296, 370, 444, 480, 555, 592, 740, 888, 1049, 1110, 1123, 1184, 1480, 1776, 2098, 2220, 2246, 2960, 3147, 3369, 3552, 4196, 4440, 4492, 5245, 5615, 5920, 6294, 6738, 8392, 8880, 8984, 10490, 11230, 12588, 13476, 15735, 16784, 16845, 17760, 17968, 20980, 22460, 25176, 26952, 31470, 33568, 33690, 35936, 38813, 41551, 41960, 44920, 50352, 53904, 62940, 67380, 77626, 83102, 83920, 89840, 100704, 107808, 116439, 124653, 125880, 134760, 155252, 166204, 167840, 179680, 194065, 207755, 232878, 249306, 251760, 269520, 310504, 332408, 388130, 415510, 465756, 498612, 503520, 539040, 582195, 621008, 623265, 664816, 776260, 831020, 931512, 997224, 1164390, 1178027, 1242016, 1246530, 1329632, 1552520, 1662040, 1863024, 1994448, 2328780, 2356054, 2493060, 3105040, 3324080, 3534081, 3726048, 3988896, 4657560, 4712108, 4986120, 5890135, 6210080, 6648160, 7068162, 9315120, 9424216, 9972240, 11780270, 14136324, 17670405, 18630240, 18848432, 19944480, 23560540, 28272648, 35340810, 37696864, 43586999, 47121080, 56545296, 70681620, 87173998, 94242160, 113090592, 130760997, 141363240, 174347996, 188484320, 217934995, 261521994, 282726480, 348695992, 435869990, 523043988, 565452960, 653804985, 697391984, 871739980, 1046087976, 1307609970, 1394783968, 1743479960, 2092175952, 2615219940, 3486959920, 4184351904, 5230439880, 6973919840, 10460879760, 20921759520]

約数ペア:

[(1, 20921759520), (2, 10460879760), (3, 6973919840), (4, 5230439880), (5, 4184351904), (6, 3486959920), (8, 2615219940), (10, 2092175952), (12, 1743479960), (15, 1394783968), (16, 1307609970), (20, 1046087976), (24, 871739980), (30, 697391984), (32, 653804985), (37, 565452960), (40, 523043988), (48, 435869990), (60, 348695992), (74, 282726480), (80, 261521994), (96, 217934995), (111, 188484320), (120, 174347996), (148, 141363240), (160, 130760997), (185, 113090592), (222, 94242160), (240, 87173998), (296, 70681620), (370, 56545296), (444, 47121080), (480, 43586999), (555, 37696864), (592, 35340810), (740, 28272648), (888, 23560540), (1049, 19944480), (1110, 18848432), (1123, 18630240), (1184, 17670405), (1480, 14136324), (1776, 11780270), (2098, 9972240), (2220, 9424216), (2246, 9315120), (2960, 7068162), (3147, 6648160), (3369, 6210080), (3552, 5890135), (4196, 4986120), (4440, 4712108), (4492, 4657560), (5245, 3988896), (5615, 3726048), (5920, 3534081), (6294, 3324080), (6738, 3105040), (8392, 2493060), (8880, 2356054), (8984, 2328780), (10490, 1994448), (11230, 1863024), (12588, 1662040), (13476, 1552520), (15735, 1329632), (16784, 1246530), (16845, 1242016), (17760, 1178027), (17968, 1164390), (20980, 997224), (22460, 931512), (25176, 831020), (26952, 776260), (31470, 664816), (33568, 623265), (33690, 621008), (35936, 582195), (38813, 539040), (41551, 503520), (41960, 498612), (44920, 465756), (50352, 415510), (53904, 388130), (62940, 332408), (67380, 310504), (77626, 269520), (83102, 251760), (83920, 249306), (89840, 232878), (100704, 207755), (107808, 194065), (116439, 179680), (124653, 167840), (125880, 166204), (134760, 155252)]