108780

素因数分解:

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

素因数の和:63

約数の個数: 72

約数和(自身を含む): 363888

約数和(自身を除く): 255108

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 49, 60, 70, 74, 84, 98, 105, 111, 140, 147, 148, 185, 196, 210, 222, 245, 259, 294, 370, 420, 444, 490, 518, 555, 588, 735, 740, 777, 980, 1036, 1110, 1295, 1470, 1554, 1813, 2220, 2590, 2940, 3108, 3626, 3885, 5180, 5439, 7252, 7770, 9065, 10878, 15540, 18130, 21756, 27195, 36260, 54390, 108780]

約数ペア:

[(1, 108780), (2, 54390), (3, 36260), (4, 27195), (5, 21756), (6, 18130), (7, 15540), (10, 10878), (12, 9065), (14, 7770), (15, 7252), (20, 5439), (21, 5180), (28, 3885), (30, 3626), (35, 3108), (37, 2940), (42, 2590), (49, 2220), (60, 1813), (70, 1554), (74, 1470), (84, 1295), (98, 1110), (105, 1036), (111, 980), (140, 777), (147, 740), (148, 735), (185, 588), (196, 555), (210, 518), (222, 490), (245, 444), (259, 420), (294, 370)]