18208080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 240

約数和(自身を含む): 70799040

約数和(自身を除く): 52590960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 110, 114, 120, 121, 132, 144, 152, 165, 171, 176, 180, 190, 198, 209, 220, 228, 240, 242, 264, 285, 304, 330, 342, 360, 363, 380, 396, 418, 440, 456, 484, 495, 528, 570, 605, 627, 660, 684, 720, 726, 760, 792, 836, 855, 880, 912, 968, 990, 1045, 1089, 1140, 1210, 1254, 1320, 1331, 1368, 1452, 1520, 1584, 1672, 1710, 1815, 1881, 1936, 1980, 2090, 2178, 2280, 2299, 2420, 2508, 2640, 2662, 2736, 2904, 3135, 3344, 3420, 3630, 3762, 3960, 3993, 4180, 4356, 4560, 4598, 4840, 5016, 5324, 5445, 5808, 6270, 6655, 6840, 6897, 7260, 7524, 7920, 7986, 8360, 8712, 9196, 9405, 9680, 10032, 10648, 10890, 11495, 11979, 12540, 13310, 13680, 13794, 14520, 15048, 15972, 16720, 17424, 18392, 18810, 19965, 20691, 21296, 21780, 22990, 23958, 25080, 25289, 26620, 27588, 29040, 30096, 31944, 34485, 36784, 37620, 39930, 41382, 43560, 45980, 47916, 50160, 50578, 53240, 55176, 59895, 63888, 68970, 75240, 75867, 79860, 82764, 87120, 91960, 95832, 101156, 103455, 106480, 110352, 119790, 126445, 137940, 150480, 151734, 159720, 165528, 183920, 191664, 202312, 206910, 227601, 239580, 252890, 275880, 303468, 319440, 331056, 379335, 404624, 413820, 455202, 479160, 505780, 551760, 606936, 758670, 827640, 910404, 958320, 1011560, 1138005, 1213872, 1517340, 1655280, 1820808, 2023120, 2276010, 3034680, 3641616, 4552020, 6069360, 9104040, 18208080]

約数ペア:

[(1, 18208080), (2, 9104040), (3, 6069360), (4, 4552020), (5, 3641616), (6, 3034680), (8, 2276010), (9, 2023120), (10, 1820808), (11, 1655280), (12, 1517340), (15, 1213872), (16, 1138005), (18, 1011560), (19, 958320), (20, 910404), (22, 827640), (24, 758670), (30, 606936), (33, 551760), (36, 505780), (38, 479160), (40, 455202), (44, 413820), (45, 404624), (48, 379335), (55, 331056), (57, 319440), (60, 303468), (66, 275880), (72, 252890), (76, 239580), (80, 227601), (88, 206910), (90, 202312), (95, 191664), (99, 183920), (110, 165528), (114, 159720), (120, 151734), (121, 150480), (132, 137940), (144, 126445), (152, 119790), (165, 110352), (171, 106480), (176, 103455), (180, 101156), (190, 95832), (198, 91960), (209, 87120), (220, 82764), (228, 79860), (240, 75867), (242, 75240), (264, 68970), (285, 63888), (304, 59895), (330, 55176), (342, 53240), (360, 50578), (363, 50160), (380, 47916), (396, 45980), (418, 43560), (440, 41382), (456, 39930), (484, 37620), (495, 36784), (528, 34485), (570, 31944), (605, 30096), (627, 29040), (660, 27588), (684, 26620), (720, 25289), (726, 25080), (760, 23958), (792, 22990), (836, 21780), (855, 21296), (880, 20691), (912, 19965), (968, 18810), (990, 18392), (1045, 17424), (1089, 16720), (1140, 15972), (1210, 15048), (1254, 14520), (1320, 13794), (1331, 13680), (1368, 13310), (1452, 12540), (1520, 11979), (1584, 11495), (1672, 10890), (1710, 10648), (1815, 10032), (1881, 9680), (1936, 9405), (1980, 9196), (2090, 8712), (2178, 8360), (2280, 7986), (2299, 7920), (2420, 7524), (2508, 7260), (2640, 6897), (2662, 6840), (2736, 6655), (2904, 6270), (3135, 5808), (3344, 5445), (3420, 5324), (3630, 5016), (3762, 4840), (3960, 4598), (3993, 4560), (4180, 4356)]