21815520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{967}}^1$

素因数の和:1032

約数の個数: 96

約数和(自身を含む): 70253568

約数和(自身を除く): 48438048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 80, 94, 96, 120, 141, 160, 188, 235, 240, 282, 376, 470, 480, 564, 705, 752, 940, 967, 1128, 1410, 1504, 1880, 1934, 2256, 2820, 2901, 3760, 3868, 4512, 4835, 5640, 5802, 7520, 7736, 9670, 11280, 11604, 14505, 15472, 19340, 22560, 23208, 29010, 30944, 38680, 45449, 46416, 58020, 77360, 90898, 92832, 116040, 136347, 154720, 181796, 227245, 232080, 272694, 363592, 454490, 464160, 545388, 681735, 727184, 908980, 1090776, 1363470, 1454368, 1817960, 2181552, 2726940, 3635920, 4363104, 5453880, 7271840, 10907760, 21815520]

約数ペア:

[(1, 21815520), (2, 10907760), (3, 7271840), (4, 5453880), (5, 4363104), (6, 3635920), (8, 2726940), (10, 2181552), (12, 1817960), (15, 1454368), (16, 1363470), (20, 1090776), (24, 908980), (30, 727184), (32, 681735), (40, 545388), (47, 464160), (48, 454490), (60, 363592), (80, 272694), (94, 232080), (96, 227245), (120, 181796), (141, 154720), (160, 136347), (188, 116040), (235, 92832), (240, 90898), (282, 77360), (376, 58020), (470, 46416), (480, 45449), (564, 38680), (705, 30944), (752, 29010), (940, 23208), (967, 22560), (1128, 19340), (1410, 15472), (1504, 14505), (1880, 11604), (1934, 11280), (2256, 9670), (2820, 7736), (2901, 7520), (3760, 5802), (3868, 5640), (4512, 4835)]