128281560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{619}}^1$

素因数の和:801

約数の個数: 128

約数和(自身を含む): 423187200

約数和(自身を除く): 294905640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 157, 165, 220, 264, 314, 330, 440, 471, 619, 628, 660, 785, 942, 1238, 1256, 1320, 1570, 1727, 1857, 1884, 2355, 2476, 3095, 3140, 3454, 3714, 3768, 4710, 4952, 5181, 6190, 6280, 6809, 6908, 7428, 8635, 9285, 9420, 10362, 12380, 13618, 13816, 14856, 17270, 18570, 18840, 20427, 20724, 24760, 25905, 27236, 34045, 34540, 37140, 40854, 41448, 51810, 54472, 68090, 69080, 74280, 81708, 97183, 102135, 103620, 136180, 163416, 194366, 204270, 207240, 272360, 291549, 388732, 408540, 485915, 583098, 777464, 817080, 971830, 1069013, 1166196, 1457745, 1943660, 2138026, 2332392, 2915490, 3207039, 3887320, 4276052, 5345065, 5830980, 6414078, 8552104, 10690130, 11661960, 12828156, 16035195, 21380260, 25656312, 32070390, 42760520, 64140780, 128281560]

約数ペア:

[(1, 128281560), (2, 64140780), (3, 42760520), (4, 32070390), (5, 25656312), (6, 21380260), (8, 16035195), (10, 12828156), (11, 11661960), (12, 10690130), (15, 8552104), (20, 6414078), (22, 5830980), (24, 5345065), (30, 4276052), (33, 3887320), (40, 3207039), (44, 2915490), (55, 2332392), (60, 2138026), (66, 1943660), (88, 1457745), (110, 1166196), (120, 1069013), (132, 971830), (157, 817080), (165, 777464), (220, 583098), (264, 485915), (314, 408540), (330, 388732), (440, 291549), (471, 272360), (619, 207240), (628, 204270), (660, 194366), (785, 163416), (942, 136180), (1238, 103620), (1256, 102135), (1320, 97183), (1570, 81708), (1727, 74280), (1857, 69080), (1884, 68090), (2355, 54472), (2476, 51810), (3095, 41448), (3140, 40854), (3454, 37140), (3714, 34540), (3768, 34045), (4710, 27236), (4952, 25905), (5181, 24760), (6190, 20724), (6280, 20427), (6809, 18840), (6908, 18570), (7428, 17270), (8635, 14856), (9285, 13816), (9420, 13618), (10362, 12380)]