217560

素因数分解:

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

素因数の和:65

約数の個数: 96

約数和(自身を含む): 779760

約数和(自身を除く): 562200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 49, 56, 60, 70, 74, 84, 98, 105, 111, 120, 140, 147, 148, 168, 185, 196, 210, 222, 245, 259, 280, 294, 296, 370, 392, 420, 444, 490, 518, 555, 588, 735, 740, 777, 840, 888, 980, 1036, 1110, 1176, 1295, 1470, 1480, 1554, 1813, 1960, 2072, 2220, 2590, 2940, 3108, 3626, 3885, 4440, 5180, 5439, 5880, 6216, 7252, 7770, 9065, 10360, 10878, 14504, 15540, 18130, 21756, 27195, 31080, 36260, 43512, 54390, 72520, 108780, 217560]

約数ペア:

[(1, 217560), (2, 108780), (3, 72520), (4, 54390), (5, 43512), (6, 36260), (7, 31080), (8, 27195), (10, 21756), (12, 18130), (14, 15540), (15, 14504), (20, 10878), (21, 10360), (24, 9065), (28, 7770), (30, 7252), (35, 6216), (37, 5880), (40, 5439), (42, 5180), (49, 4440), (56, 3885), (60, 3626), (70, 3108), (74, 2940), (84, 2590), (98, 2220), (105, 2072), (111, 1960), (120, 1813), (140, 1554), (147, 1480), (148, 1470), (168, 1295), (185, 1176), (196, 1110), (210, 1036), (222, 980), (245, 888), (259, 840), (280, 777), (294, 740), (296, 735), (370, 588), (392, 555), (420, 518), (444, 490)]