18165840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{983}}^1$

素因数の和:1017

約数の個数: 160

約数和(自身を含む): 70281216

約数和(自身を除く): 52115376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 983, 1155, 1232, 1320, 1540, 1680, 1848, 1966, 2310, 2640, 2949, 3080, 3696, 3932, 4620, 4915, 5898, 6160, 6881, 7864, 9240, 9830, 10813, 11796, 13762, 14745, 15728, 18480, 19660, 20643, 21626, 23592, 27524, 29490, 32439, 34405, 39320, 41286, 43252, 47184, 54065, 55048, 58980, 64878, 68810, 75691, 78640, 82572, 86504, 103215, 108130, 110096, 117960, 129756, 137620, 151382, 162195, 165144, 173008, 206430, 216260, 227073, 235920, 259512, 275240, 302764, 324390, 330288, 378455, 412860, 432520, 454146, 519024, 550480, 605528, 648780, 756910, 825720, 865040, 908292, 1135365, 1211056, 1297560, 1513820, 1651440, 1816584, 2270730, 2595120, 3027640, 3633168, 4541460, 6055280, 9082920, 18165840]

約数ペア:

[(1, 18165840), (2, 9082920), (3, 6055280), (4, 4541460), (5, 3633168), (6, 3027640), (7, 2595120), (8, 2270730), (10, 1816584), (11, 1651440), (12, 1513820), (14, 1297560), (15, 1211056), (16, 1135365), (20, 908292), (21, 865040), (22, 825720), (24, 756910), (28, 648780), (30, 605528), (33, 550480), (35, 519024), (40, 454146), (42, 432520), (44, 412860), (48, 378455), (55, 330288), (56, 324390), (60, 302764), (66, 275240), (70, 259512), (77, 235920), (80, 227073), (84, 216260), (88, 206430), (105, 173008), (110, 165144), (112, 162195), (120, 151382), (132, 137620), (140, 129756), (154, 117960), (165, 110096), (168, 108130), (176, 103215), (210, 86504), (220, 82572), (231, 78640), (240, 75691), (264, 68810), (280, 64878), (308, 58980), (330, 55048), (336, 54065), (385, 47184), (420, 43252), (440, 41286), (462, 39320), (528, 34405), (560, 32439), (616, 29490), (660, 27524), (770, 23592), (840, 21626), (880, 20643), (924, 19660), (983, 18480), (1155, 15728), (1232, 14745), (1320, 13762), (1540, 11796), (1680, 10813), (1848, 9830), (1966, 9240), (2310, 7864), (2640, 6881), (2949, 6160), (3080, 5898), (3696, 4915), (3932, 4620)]