67888980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{2753}}^1$

素因数の和:2905

約数の個数: 72

約数和(自身を含む): 207508392

約数和(自身を除く): 139619412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 137, 180, 274, 411, 548, 685, 822, 1233, 1370, 1644, 2055, 2466, 2740, 2753, 4110, 4932, 5506, 6165, 8220, 8259, 11012, 12330, 13765, 16518, 24660, 24777, 27530, 33036, 41295, 49554, 55060, 82590, 99108, 123885, 165180, 247770, 377161, 495540, 754322, 1131483, 1508644, 1885805, 2262966, 3394449, 3771610, 4525932, 5657415, 6788898, 7543220, 11314830, 13577796, 16972245, 22629660, 33944490, 67888980]

約数ペア:

[(1, 67888980), (2, 33944490), (3, 22629660), (4, 16972245), (5, 13577796), (6, 11314830), (9, 7543220), (10, 6788898), (12, 5657415), (15, 4525932), (18, 3771610), (20, 3394449), (30, 2262966), (36, 1885805), (45, 1508644), (60, 1131483), (90, 754322), (137, 495540), (180, 377161), (274, 247770), (411, 165180), (548, 123885), (685, 99108), (822, 82590), (1233, 55060), (1370, 49554), (1644, 41295), (2055, 33036), (2466, 27530), (2740, 24777), (2753, 24660), (4110, 16518), (4932, 13765), (5506, 12330), (6165, 11012), (8220, 8259)]