720735960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{10861}}^1$

素因数の和:10961

約数の個数: 128

約数和(自身を含む): 2502604800

約数和(自身を除く): 1781868840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 395, 420, 474, 553, 632, 790, 840, 948, 1106, 1185, 1580, 1659, 1896, 2212, 2370, 2765, 3160, 3318, 4424, 4740, 5530, 6636, 8295, 9480, 10861, 11060, 13272, 16590, 21722, 22120, 32583, 33180, 43444, 54305, 65166, 66360, 76027, 86888, 108610, 130332, 152054, 162915, 217220, 228081, 260664, 304108, 325830, 380135, 434440, 456162, 608216, 651660, 760270, 858019, 912324, 1140405, 1303320, 1520540, 1716038, 1824648, 2280810, 2574057, 3041080, 3432076, 4290095, 4561620, 5148114, 6006133, 6864152, 8580190, 9123240, 10296228, 12012266, 12870285, 17160380, 18018399, 20592456, 24024532, 25740570, 30030665, 34320760, 36036798, 48049064, 51481140, 60061330, 72073596, 90091995, 102962280, 120122660, 144147192, 180183990, 240245320, 360367980, 720735960]

約数ペア:

[(1, 720735960), (2, 360367980), (3, 240245320), (4, 180183990), (5, 144147192), (6, 120122660), (7, 102962280), (8, 90091995), (10, 72073596), (12, 60061330), (14, 51481140), (15, 48049064), (20, 36036798), (21, 34320760), (24, 30030665), (28, 25740570), (30, 24024532), (35, 20592456), (40, 18018399), (42, 17160380), (56, 12870285), (60, 12012266), (70, 10296228), (79, 9123240), (84, 8580190), (105, 6864152), (120, 6006133), (140, 5148114), (158, 4561620), (168, 4290095), (210, 3432076), (237, 3041080), (280, 2574057), (316, 2280810), (395, 1824648), (420, 1716038), (474, 1520540), (553, 1303320), (632, 1140405), (790, 912324), (840, 858019), (948, 760270), (1106, 651660), (1185, 608216), (1580, 456162), (1659, 434440), (1896, 380135), (2212, 325830), (2370, 304108), (2765, 260664), (3160, 228081), (3318, 217220), (4424, 162915), (4740, 152054), (5530, 130332), (6636, 108610), (8295, 86888), (9480, 76027), (10861, 66360), (11060, 65166), (13272, 54305), (16590, 43444), (21722, 33180), (22120, 32583)]