18495960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 128

約数和(自身を含む): 64350720

約数和(自身を除く): 45854760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 97, 105, 120, 140, 168, 194, 210, 227, 280, 291, 388, 420, 454, 485, 582, 679, 681, 776, 840, 908, 970, 1135, 1164, 1358, 1362, 1455, 1589, 1816, 1940, 2037, 2270, 2328, 2716, 2724, 2910, 3178, 3395, 3405, 3880, 4074, 4540, 4767, 5432, 5448, 5820, 6356, 6790, 6810, 7945, 8148, 9080, 9534, 10185, 11640, 12712, 13580, 13620, 15890, 16296, 19068, 20370, 22019, 23835, 27160, 27240, 31780, 38136, 40740, 44038, 47670, 63560, 66057, 81480, 88076, 95340, 110095, 132114, 154133, 176152, 190680, 220190, 264228, 308266, 330285, 440380, 462399, 528456, 616532, 660570, 770665, 880760, 924798, 1233064, 1321140, 1541330, 1849596, 2311995, 2642280, 3082660, 3699192, 4623990, 6165320, 9247980, 18495960]

約数ペア:

[(1, 18495960), (2, 9247980), (3, 6165320), (4, 4623990), (5, 3699192), (6, 3082660), (7, 2642280), (8, 2311995), (10, 1849596), (12, 1541330), (14, 1321140), (15, 1233064), (20, 924798), (21, 880760), (24, 770665), (28, 660570), (30, 616532), (35, 528456), (40, 462399), (42, 440380), (56, 330285), (60, 308266), (70, 264228), (84, 220190), (97, 190680), (105, 176152), (120, 154133), (140, 132114), (168, 110095), (194, 95340), (210, 88076), (227, 81480), (280, 66057), (291, 63560), (388, 47670), (420, 44038), (454, 40740), (485, 38136), (582, 31780), (679, 27240), (681, 27160), (776, 23835), (840, 22019), (908, 20370), (970, 19068), (1135, 16296), (1164, 15890), (1358, 13620), (1362, 13580), (1455, 12712), (1589, 11640), (1816, 10185), (1940, 9534), (2037, 9080), (2270, 8148), (2328, 7945), (2716, 6810), (2724, 6790), (2910, 6356), (3178, 5820), (3395, 5448), (3405, 5432), (3880, 4767), (4074, 4540)]