221513040

素因数分解:

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

素因数の和:43977

約数の個数: 120

約数和(自身を含む): 850207488

約数和(自身を除く): 628694448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 43951, 87902, 131853, 175804, 219755, 263706, 307657, 351608, 395559, 439510, 527412, 615314, 659265, 703216, 791118, 879020, 922971, 1054824, 1230628, 1318530, 1538285, 1582236, 1758040, 1845942, 1977795, 2109648, 2461256, 2637060, 2768913, 3076570, 3164472, 3516080, 3691884, 3955590, 4614855, 4922512, 5274120, 5537826, 6153140, 6328944, 7383768, 7911180, 9229710, 10548240, 11075652, 12306280, 13844565, 14767536, 15822360, 18459420, 22151304, 24612560, 27689130, 31644720, 36918840, 44302608, 55378260, 73837680, 110756520, 221513040]

約数ペア:

[(1, 221513040), (2, 110756520), (3, 73837680), (4, 55378260), (5, 44302608), (6, 36918840), (7, 31644720), (8, 27689130), (9, 24612560), (10, 22151304), (12, 18459420), (14, 15822360), (15, 14767536), (16, 13844565), (18, 12306280), (20, 11075652), (21, 10548240), (24, 9229710), (28, 7911180), (30, 7383768), (35, 6328944), (36, 6153140), (40, 5537826), (42, 5274120), (45, 4922512), (48, 4614855), (56, 3955590), (60, 3691884), (63, 3516080), (70, 3164472), (72, 3076570), (80, 2768913), (84, 2637060), (90, 2461256), (105, 2109648), (112, 1977795), (120, 1845942), (126, 1758040), (140, 1582236), (144, 1538285), (168, 1318530), (180, 1230628), (210, 1054824), (240, 922971), (252, 879020), (280, 791118), (315, 703216), (336, 659265), (360, 615314), (420, 527412), (504, 439510), (560, 395559), (630, 351608), (720, 307657), (840, 263706), (1008, 219755), (1260, 175804), (1680, 131853), (2520, 87902), (5040, 43951)]