664539120

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{43951}}^1$

素因数の和:43980

約数の個数: 160

約数和(自身を含む): 2616023040

約数和(自身を除く): 1951483920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 43951, 87902, 131853, 175804, 219755, 263706, 307657, 351608, 395559, 439510, 527412, 615314, 659265, 703216, 791118, 879020, 922971, 1054824, 1186677, 1230628, 1318530, 1538285, 1582236, 1758040, 1845942, 1977795, 2109648, 2373354, 2461256, 2637060, 2768913, 3076570, 3164472, 3516080, 3691884, 3955590, 4614855, 4746708, 4922512, 5274120, 5537826, 5933385, 6153140, 6328944, 7383768, 7911180, 8306739, 9229710, 9493416, 10548240, 11075652, 11866770, 12306280, 13844565, 14767536, 15822360, 16613478, 18459420, 18986832, 22151304, 23733540, 24612560, 27689130, 31644720, 33226956, 36918840, 41533695, 44302608, 47467080, 55378260, 66453912, 73837680, 83067390, 94934160, 110756520, 132907824, 166134780, 221513040, 332269560, 664539120]

約数ペア:

[(1, 664539120), (2, 332269560), (3, 221513040), (4, 166134780), (5, 132907824), (6, 110756520), (7, 94934160), (8, 83067390), (9, 73837680), (10, 66453912), (12, 55378260), (14, 47467080), (15, 44302608), (16, 41533695), (18, 36918840), (20, 33226956), (21, 31644720), (24, 27689130), (27, 24612560), (28, 23733540), (30, 22151304), (35, 18986832), (36, 18459420), (40, 16613478), (42, 15822360), (45, 14767536), (48, 13844565), (54, 12306280), (56, 11866770), (60, 11075652), (63, 10548240), (70, 9493416), (72, 9229710), (80, 8306739), (84, 7911180), (90, 7383768), (105, 6328944), (108, 6153140), (112, 5933385), (120, 5537826), (126, 5274120), (135, 4922512), (140, 4746708), (144, 4614855), (168, 3955590), (180, 3691884), (189, 3516080), (210, 3164472), (216, 3076570), (240, 2768913), (252, 2637060), (270, 2461256), (280, 2373354), (315, 2109648), (336, 1977795), (360, 1845942), (378, 1758040), (420, 1582236), (432, 1538285), (504, 1318530), (540, 1230628), (560, 1186677), (630, 1054824), (720, 922971), (756, 879020), (840, 791118), (945, 703216), (1008, 659265), (1080, 615314), (1260, 527412), (1512, 439510), (1680, 395559), (1890, 351608), (2160, 307657), (2520, 263706), (3024, 219755), (3780, 175804), (5040, 131853), (7560, 87902), (15120, 43951)]