87158680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:281

約数の個数: 128

約数和(自身を含む): 236390400

約数和(自身を除く): 149231720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 47, 56, 70, 74, 94, 140, 148, 179, 185, 188, 235, 259, 280, 296, 329, 358, 370, 376, 470, 518, 658, 716, 740, 895, 940, 1036, 1253, 1295, 1316, 1432, 1480, 1645, 1739, 1790, 1880, 2072, 2506, 2590, 2632, 3290, 3478, 3580, 5012, 5180, 6265, 6580, 6623, 6956, 7160, 8413, 8695, 10024, 10360, 12173, 12530, 13160, 13246, 13912, 16826, 17390, 24346, 25060, 26492, 33115, 33652, 34780, 42065, 46361, 48692, 50120, 52984, 58891, 60865, 66230, 67304, 69560, 84130, 92722, 97384, 117782, 121730, 132460, 168260, 185444, 231805, 235564, 243460, 264920, 294455, 311281, 336520, 370888, 463610, 471128, 486920, 588910, 622562, 927220, 1177820, 1245124, 1556405, 1854440, 2178967, 2355640, 2490248, 3112810, 4357934, 6225620, 8715868, 10894835, 12451240, 17431736, 21789670, 43579340, 87158680]

約数ペア:

[(1, 87158680), (2, 43579340), (4, 21789670), (5, 17431736), (7, 12451240), (8, 10894835), (10, 8715868), (14, 6225620), (20, 4357934), (28, 3112810), (35, 2490248), (37, 2355640), (40, 2178967), (47, 1854440), (56, 1556405), (70, 1245124), (74, 1177820), (94, 927220), (140, 622562), (148, 588910), (179, 486920), (185, 471128), (188, 463610), (235, 370888), (259, 336520), (280, 311281), (296, 294455), (329, 264920), (358, 243460), (370, 235564), (376, 231805), (470, 185444), (518, 168260), (658, 132460), (716, 121730), (740, 117782), (895, 97384), (940, 92722), (1036, 84130), (1253, 69560), (1295, 67304), (1316, 66230), (1432, 60865), (1480, 58891), (1645, 52984), (1739, 50120), (1790, 48692), (1880, 46361), (2072, 42065), (2506, 34780), (2590, 33652), (2632, 33115), (3290, 26492), (3478, 25060), (3580, 24346), (5012, 17390), (5180, 16826), (6265, 13912), (6580, 13246), (6623, 13160), (6956, 12530), (7160, 12173), (8413, 10360), (8695, 10024)]