2781660

素因数分解:

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

素因数の和:235

約数の個数: 96

約数和(自身を含む): 9192960

約数和(自身を除く): 6411300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 179, 185, 210, 222, 259, 358, 370, 420, 444, 518, 537, 555, 716, 740, 777, 895, 1036, 1074, 1110, 1253, 1295, 1554, 1790, 2148, 2220, 2506, 2590, 2685, 3108, 3580, 3759, 3885, 5012, 5180, 5370, 6265, 6623, 7518, 7770, 10740, 12530, 13246, 15036, 15540, 18795, 19869, 25060, 26492, 33115, 37590, 39738, 46361, 66230, 75180, 79476, 92722, 99345, 132460, 139083, 185444, 198690, 231805, 278166, 397380, 463610, 556332, 695415, 927220, 1390830, 2781660]

約数ペア:

[(1, 2781660), (2, 1390830), (3, 927220), (4, 695415), (5, 556332), (6, 463610), (7, 397380), (10, 278166), (12, 231805), (14, 198690), (15, 185444), (20, 139083), (21, 132460), (28, 99345), (30, 92722), (35, 79476), (37, 75180), (42, 66230), (60, 46361), (70, 39738), (74, 37590), (84, 33115), (105, 26492), (111, 25060), (140, 19869), (148, 18795), (179, 15540), (185, 15036), (210, 13246), (222, 12530), (259, 10740), (358, 7770), (370, 7518), (420, 6623), (444, 6265), (518, 5370), (537, 5180), (555, 5012), (716, 3885), (740, 3759), (777, 3580), (895, 3108), (1036, 2685), (1074, 2590), (1110, 2506), (1253, 2220), (1295, 2148), (1554, 1790)]