81751320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32441}}^1$

素因数の和:32465

約数の個数: 96

約数和(自身を含む): 303657120

約数和(自身を除く): 221905800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32441, 64882, 97323, 129764, 162205, 194646, 227087, 259528, 291969, 324410, 389292, 454174, 486615, 583938, 648820, 681261, 778584, 908348, 973230, 1135435, 1167876, 1297640, 1362522, 1459845, 1816696, 1946460, 2043783, 2270870, 2335752, 2725044, 2919690, 3406305, 3892920, 4087566, 4541740, 5450088, 5839380, 6812610, 8175132, 9083480, 10218915, 11678760, 13625220, 16350264, 20437830, 27250440, 40875660, 81751320]

約数ペア:

[(1, 81751320), (2, 40875660), (3, 27250440), (4, 20437830), (5, 16350264), (6, 13625220), (7, 11678760), (8, 10218915), (9, 9083480), (10, 8175132), (12, 6812610), (14, 5839380), (15, 5450088), (18, 4541740), (20, 4087566), (21, 3892920), (24, 3406305), (28, 2919690), (30, 2725044), (35, 2335752), (36, 2270870), (40, 2043783), (42, 1946460), (45, 1816696), (56, 1459845), (60, 1362522), (63, 1297640), (70, 1167876), (72, 1135435), (84, 973230), (90, 908348), (105, 778584), (120, 681261), (126, 648820), (140, 583938), (168, 486615), (180, 454174), (210, 389292), (252, 324410), (280, 291969), (315, 259528), (360, 227087), (420, 194646), (504, 162205), (630, 129764), (840, 97323), (1260, 64882), (2520, 32441)]