20672670720

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103529}}^1$

素因数の和:103570

約数の個数: 176

約数和(自身を含む): 71207105760

約数和(自身を除く): 50534435040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 512, 520, 624, 640, 768, 780, 832, 960, 1024, 1040, 1248, 1280, 1536, 1560, 1664, 1920, 2080, 2496, 2560, 3072, 3120, 3328, 3840, 4160, 4992, 5120, 6240, 6656, 7680, 8320, 9984, 12480, 13312, 15360, 16640, 19968, 24960, 33280, 39936, 49920, 66560, 99840, 103529, 199680, 207058, 310587, 414116, 517645, 621174, 828232, 1035290, 1242348, 1345877, 1552935, 1656464, 2070580, 2484696, 2691754, 3105870, 3312928, 4037631, 4141160, 4969392, 5383508, 6211740, 6625856, 6729385, 8075262, 8282320, 9938784, 10767016, 12423480, 13251712, 13458770, 16150524, 16564640, 19877568, 20188155, 21534032, 24846960, 26503424, 26917540, 32301048, 33129280, 39755136, 40376310, 43068064, 49693920, 53006848, 53835080, 64602096, 66258560, 79510272, 80752620, 86136128, 99387840, 106013696, 107670160, 129204192, 132517120, 159020544, 161505240, 172272256, 198775680, 215340320, 258408384, 265034240, 318041088, 323010480, 344544512, 397551360, 430680640, 516816768, 530068480, 646020960, 689089024, 795102720, 861361280, 1033633536, 1292041920, 1378178048, 1590205440, 1722722560, 2067267072, 2584083840, 3445445120, 4134534144, 5168167680, 6890890240, 10336335360, 20672670720]

約数ペア:

[(1, 20672670720), (2, 10336335360), (3, 6890890240), (4, 5168167680), (5, 4134534144), (6, 3445445120), (8, 2584083840), (10, 2067267072), (12, 1722722560), (13, 1590205440), (15, 1378178048), (16, 1292041920), (20, 1033633536), (24, 861361280), (26, 795102720), (30, 689089024), (32, 646020960), (39, 530068480), (40, 516816768), (48, 430680640), (52, 397551360), (60, 344544512), (64, 323010480), (65, 318041088), (78, 265034240), (80, 258408384), (96, 215340320), (104, 198775680), (120, 172272256), (128, 161505240), (130, 159020544), (156, 132517120), (160, 129204192), (192, 107670160), (195, 106013696), (208, 99387840), (240, 86136128), (256, 80752620), (260, 79510272), (312, 66258560), (320, 64602096), (384, 53835080), (390, 53006848), (416, 49693920), (480, 43068064), (512, 40376310), (520, 39755136), (624, 33129280), (640, 32301048), (768, 26917540), (780, 26503424), (832, 24846960), (960, 21534032), (1024, 20188155), (1040, 19877568), (1248, 16564640), (1280, 16150524), (1536, 13458770), (1560, 13251712), (1664, 12423480), (1920, 10767016), (2080, 9938784), (2496, 8282320), (2560, 8075262), (3072, 6729385), (3120, 6625856), (3328, 6211740), (3840, 5383508), (4160, 4969392), (4992, 4141160), (5120, 4037631), (6240, 3312928), (6656, 3105870), (7680, 2691754), (8320, 2484696), (9984, 2070580), (12480, 1656464), (13312, 1552935), (15360, 1345877), (16640, 1242348), (19968, 1035290), (24960, 828232), (33280, 621174), (39936, 517645), (49920, 414116), (66560, 310587), (99840, 207058), (103529, 199680)]