47881520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 120

約数和(自身を含む): 125624400

約数和(自身を除く): 77742880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 109, 136, 152, 170, 190, 218, 272, 289, 304, 323, 340, 380, 436, 545, 578, 646, 680, 760, 872, 1090, 1156, 1292, 1360, 1445, 1520, 1615, 1744, 1853, 2071, 2180, 2312, 2584, 2890, 3230, 3706, 4142, 4360, 4624, 5168, 5491, 5780, 6460, 7412, 8284, 8720, 9265, 10355, 10982, 11560, 12920, 14824, 16568, 18530, 20710, 21964, 23120, 25840, 27455, 29648, 31501, 33136, 35207, 37060, 41420, 43928, 54910, 63002, 70414, 74120, 82840, 87856, 109820, 126004, 140828, 148240, 157505, 165680, 176035, 219640, 252008, 281656, 315010, 352070, 439280, 504016, 563312, 598519, 630020, 704140, 1197038, 1260040, 1408280, 2394076, 2520080, 2816560, 2992595, 4788152, 5985190, 9576304, 11970380, 23940760, 47881520]

約数ペア:

[(1, 47881520), (2, 23940760), (4, 11970380), (5, 9576304), (8, 5985190), (10, 4788152), (16, 2992595), (17, 2816560), (19, 2520080), (20, 2394076), (34, 1408280), (38, 1260040), (40, 1197038), (68, 704140), (76, 630020), (80, 598519), (85, 563312), (95, 504016), (109, 439280), (136, 352070), (152, 315010), (170, 281656), (190, 252008), (218, 219640), (272, 176035), (289, 165680), (304, 157505), (323, 148240), (340, 140828), (380, 126004), (436, 109820), (545, 87856), (578, 82840), (646, 74120), (680, 70414), (760, 63002), (872, 54910), (1090, 43928), (1156, 41420), (1292, 37060), (1360, 35207), (1445, 33136), (1520, 31501), (1615, 29648), (1744, 27455), (1853, 25840), (2071, 23120), (2180, 21964), (2312, 20710), (2584, 18530), (2890, 16568), (3230, 14824), (3706, 12920), (4142, 11560), (4360, 10982), (4624, 10355), (5168, 9265), (5491, 8720), (5780, 8284), (6460, 7412)]