72442720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1004

約数の個数: 96

約数和(自身を含む): 198567936

約数和(自身を除く): 126125216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 71, 80, 112, 140, 142, 160, 224, 280, 284, 355, 497, 560, 568, 710, 911, 994, 1120, 1136, 1420, 1822, 1988, 2272, 2485, 2840, 3644, 3976, 4555, 4970, 5680, 6377, 7288, 7952, 9110, 9940, 11360, 12754, 14576, 15904, 18220, 19880, 25508, 29152, 31885, 36440, 39760, 51016, 63770, 64681, 72880, 79520, 102032, 127540, 129362, 145760, 204064, 255080, 258724, 323405, 452767, 510160, 517448, 646810, 905534, 1020320, 1034896, 1293620, 1811068, 2069792, 2263835, 2587240, 3622136, 4527670, 5174480, 7244272, 9055340, 10348960, 14488544, 18110680, 36221360, 72442720]

約数ペア:

[(1, 72442720), (2, 36221360), (4, 18110680), (5, 14488544), (7, 10348960), (8, 9055340), (10, 7244272), (14, 5174480), (16, 4527670), (20, 3622136), (28, 2587240), (32, 2263835), (35, 2069792), (40, 1811068), (56, 1293620), (70, 1034896), (71, 1020320), (80, 905534), (112, 646810), (140, 517448), (142, 510160), (160, 452767), (224, 323405), (280, 258724), (284, 255080), (355, 204064), (497, 145760), (560, 129362), (568, 127540), (710, 102032), (911, 79520), (994, 72880), (1120, 64681), (1136, 63770), (1420, 51016), (1822, 39760), (1988, 36440), (2272, 31885), (2485, 29152), (2840, 25508), (3644, 19880), (3976, 18220), (4555, 15904), (4970, 14576), (5680, 12754), (6377, 11360), (7288, 9940), (7952, 9110)]