120637720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 323481600

約数和(自身を除く): 202843880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 89, 94, 103, 140, 178, 188, 206, 235, 280, 329, 356, 376, 412, 445, 470, 515, 623, 658, 712, 721, 824, 890, 940, 1030, 1246, 1316, 1442, 1645, 1780, 1880, 2060, 2492, 2632, 2884, 3115, 3290, 3560, 3605, 4120, 4183, 4841, 4984, 5768, 6230, 6580, 7210, 8366, 9167, 9682, 12460, 13160, 14420, 16732, 18334, 19364, 20915, 24205, 24920, 28840, 29281, 33464, 33887, 36668, 38728, 41830, 45835, 48410, 58562, 64169, 67774, 73336, 83660, 91670, 96820, 117124, 128338, 135548, 146405, 167320, 169435, 183340, 193640, 234248, 256676, 271096, 292810, 320845, 338870, 366680, 430849, 513352, 585620, 641690, 677740, 861698, 1171240, 1283380, 1355480, 1723396, 2154245, 2566760, 3015943, 3446792, 4308490, 6031886, 8616980, 12063772, 15079715, 17233960, 24127544, 30159430, 60318860, 120637720]

約数ペア:

[(1, 120637720), (2, 60318860), (4, 30159430), (5, 24127544), (7, 17233960), (8, 15079715), (10, 12063772), (14, 8616980), (20, 6031886), (28, 4308490), (35, 3446792), (40, 3015943), (47, 2566760), (56, 2154245), (70, 1723396), (89, 1355480), (94, 1283380), (103, 1171240), (140, 861698), (178, 677740), (188, 641690), (206, 585620), (235, 513352), (280, 430849), (329, 366680), (356, 338870), (376, 320845), (412, 292810), (445, 271096), (470, 256676), (515, 234248), (623, 193640), (658, 183340), (712, 169435), (721, 167320), (824, 146405), (890, 135548), (940, 128338), (1030, 117124), (1246, 96820), (1316, 91670), (1442, 83660), (1645, 73336), (1780, 67774), (1880, 64169), (2060, 58562), (2492, 48410), (2632, 45835), (2884, 41830), (3115, 38728), (3290, 36668), (3560, 33887), (3605, 33464), (4120, 29281), (4183, 28840), (4841, 24920), (4984, 24205), (5768, 20915), (6230, 19364), (6580, 18334), (7210, 16732), (8366, 14420), (9167, 13160), (9682, 12460)]