19980466560

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{3019}}^1$

素因数の和:3430

約数の個数: 256

約数和(自身を含む): 70972416000

約数和(自身を除く): 50991949440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 383, 384, 432, 480, 540, 576, 640, 720, 766, 864, 960, 1080, 1149, 1152, 1440, 1532, 1728, 1915, 1920, 2160, 2298, 2880, 3019, 3064, 3447, 3456, 3830, 4320, 4596, 5745, 5760, 6038, 6128, 6894, 7660, 8640, 9057, 9192, 10341, 11490, 12076, 12256, 13788, 15095, 15320, 17235, 17280, 18114, 18384, 20682, 22980, 24152, 24512, 27171, 27576, 30190, 30640, 34470, 36228, 36768, 41364, 45285, 45960, 48304, 49024, 51705, 54342, 55152, 60380, 61280, 68940, 72456, 73536, 81513, 82728, 90570, 91920, 96608, 103410, 108684, 110304, 120760, 122560, 135855, 137880, 144912, 147072, 163026, 165456, 181140, 183840, 193216, 206820, 217368, 220608, 241520, 245120, 271710, 275760, 289824, 326052, 330912, 362280, 367680, 386432, 407565, 413640, 434736, 441216, 483040, 543420, 551520, 579648, 652104, 661824, 724560, 735360, 815130, 827280, 869472, 966080, 1086840, 1103040, 1156277, 1159296, 1304208, 1323648, 1449120, 1630260, 1654560, 1738944, 1932160, 2173680, 2206080, 2312554, 2608416, 2898240, 3260520, 3309120, 3468831, 3477888, 4347360, 4625108, 5216832, 5781385, 5796480, 6521040, 6618240, 6937662, 8694720, 9250216, 10406493, 10433664, 11562770, 13042080, 13875324, 17344155, 17389440, 18500432, 20812986, 23125540, 26084160, 27750648, 31219479, 34688310, 37000864, 41625972, 46251080, 52032465, 52168320, 55501296, 62438958, 69376620, 74001728, 83251944, 92502160, 104064930, 111002592, 124877916, 138753240, 148003456, 156097395, 166503888, 185004320, 208129860, 222005184, 249755832, 277506480, 312194790, 333007776, 370008640, 416259720, 444010368, 499511664, 555012960, 624389580, 666015552, 740017280, 832519440, 999023328, 1110025920, 1248779160, 1332031104, 1665038880, 1998046656, 2220051840, 2497558320, 3330077760, 3996093312, 4995116640, 6660155520, 9990233280, 19980466560]

約数ペア:

[(1, 19980466560), (2, 9990233280), (3, 6660155520), (4, 4995116640), (5, 3996093312), (6, 3330077760), (8, 2497558320), (9, 2220051840), (10, 1998046656), (12, 1665038880), (15, 1332031104), (16, 1248779160), (18, 1110025920), (20, 999023328), (24, 832519440), (27, 740017280), (30, 666015552), (32, 624389580), (36, 555012960), (40, 499511664), (45, 444010368), (48, 416259720), (54, 370008640), (60, 333007776), (64, 312194790), (72, 277506480), (80, 249755832), (90, 222005184), (96, 208129860), (108, 185004320), (120, 166503888), (128, 156097395), (135, 148003456), (144, 138753240), (160, 124877916), (180, 111002592), (192, 104064930), (216, 92502160), (240, 83251944), (270, 74001728), (288, 69376620), (320, 62438958), (360, 55501296), (383, 52168320), (384, 52032465), (432, 46251080), (480, 41625972), (540, 37000864), (576, 34688310), (640, 31219479), (720, 27750648), (766, 26084160), (864, 23125540), (960, 20812986), (1080, 18500432), (1149, 17389440), (1152, 17344155), (1440, 13875324), (1532, 13042080), (1728, 11562770), (1915, 10433664), (1920, 10406493), (2160, 9250216), (2298, 8694720), (2880, 6937662), (3019, 6618240), (3064, 6521040), (3447, 5796480), (3456, 5781385), (3830, 5216832), (4320, 4625108), (4596, 4347360), (5745, 3477888), (5760, 3468831), (6038, 3309120), (6128, 3260520), (6894, 2898240), (7660, 2608416), (8640, 2312554), (9057, 2206080), (9192, 2173680), (10341, 1932160), (11490, 1738944), (12076, 1654560), (12256, 1630260), (13788, 1449120), (15095, 1323648), (15320, 1304208), (17235, 1159296), (17280, 1156277), (18114, 1103040), (18384, 1086840), (20682, 966080), (22980, 869472), (24152, 827280), (24512, 815130), (27171, 735360), (27576, 724560), (30190, 661824), (30640, 652104), (34470, 579648), (36228, 551520), (36768, 543420), (41364, 483040), (45285, 441216), (45960, 434736), (48304, 413640), (49024, 407565), (51705, 386432), (54342, 367680), (55152, 362280), (60380, 330912), (61280, 326052), (68940, 289824), (72456, 275760), (73536, 271710), (81513, 245120), (82728, 241520), (90570, 220608), (91920, 217368), (96608, 206820), (103410, 193216), (108684, 183840), (110304, 181140), (120760, 165456), (122560, 163026), (135855, 147072), (137880, 144912)]