16917880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 47278080

約数和(自身を除く): 30360200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 37, 40, 46, 56, 70, 71, 74, 92, 115, 140, 142, 148, 161, 184, 185, 230, 259, 280, 284, 296, 322, 355, 370, 460, 497, 518, 568, 644, 710, 740, 805, 851, 920, 994, 1036, 1288, 1295, 1420, 1480, 1610, 1633, 1702, 1988, 2072, 2485, 2590, 2627, 2840, 3220, 3266, 3404, 3976, 4255, 4970, 5180, 5254, 5957, 6440, 6532, 6808, 8165, 8510, 9940, 10360, 10508, 11431, 11914, 13064, 13135, 16330, 17020, 18389, 19880, 21016, 22862, 23828, 26270, 29785, 32660, 34040, 36778, 45724, 47656, 52540, 57155, 59570, 60421, 65320, 73556, 91448, 91945, 105080, 114310, 119140, 120842, 147112, 183890, 228620, 238280, 241684, 302105, 367780, 422947, 457240, 483368, 604210, 735560, 845894, 1208420, 1691788, 2114735, 2416840, 3383576, 4229470, 8458940, 16917880]

約数ペア:

[(1, 16917880), (2, 8458940), (4, 4229470), (5, 3383576), (7, 2416840), (8, 2114735), (10, 1691788), (14, 1208420), (20, 845894), (23, 735560), (28, 604210), (35, 483368), (37, 457240), (40, 422947), (46, 367780), (56, 302105), (70, 241684), (71, 238280), (74, 228620), (92, 183890), (115, 147112), (140, 120842), (142, 119140), (148, 114310), (161, 105080), (184, 91945), (185, 91448), (230, 73556), (259, 65320), (280, 60421), (284, 59570), (296, 57155), (322, 52540), (355, 47656), (370, 45724), (460, 36778), (497, 34040), (518, 32660), (568, 29785), (644, 26270), (710, 23828), (740, 22862), (805, 21016), (851, 19880), (920, 18389), (994, 17020), (1036, 16330), (1288, 13135), (1295, 13064), (1420, 11914), (1480, 11431), (1610, 10508), (1633, 10360), (1702, 9940), (1988, 8510), (2072, 8165), (2485, 6808), (2590, 6532), (2627, 6440), (2840, 5957), (3220, 5254), (3266, 5180), (3404, 4970), (3976, 4255)]