80195280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:885

約数の個数: 160

約数和(自身を含む): 278875008

約数和(自身を除く): 198679728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 37, 40, 44, 48, 55, 60, 66, 74, 80, 88, 110, 111, 120, 132, 148, 165, 176, 185, 220, 222, 240, 264, 296, 330, 370, 407, 440, 444, 528, 555, 592, 660, 740, 814, 821, 880, 888, 1110, 1221, 1320, 1480, 1628, 1642, 1776, 2035, 2220, 2442, 2463, 2640, 2960, 3256, 3284, 4070, 4105, 4440, 4884, 4926, 6105, 6512, 6568, 8140, 8210, 8880, 9031, 9768, 9852, 12210, 12315, 13136, 16280, 16420, 18062, 19536, 19704, 24420, 24630, 27093, 30377, 32560, 32840, 36124, 39408, 45155, 48840, 49260, 54186, 60754, 65680, 72248, 90310, 91131, 97680, 98520, 108372, 121508, 135465, 144496, 151885, 180620, 182262, 197040, 216744, 243016, 270930, 303770, 334147, 361240, 364524, 433488, 455655, 486032, 541860, 607540, 668294, 722480, 729048, 911310, 1002441, 1083720, 1215080, 1336588, 1458096, 1670735, 1822620, 2004882, 2167440, 2430160, 2673176, 3341470, 3645240, 4009764, 5012205, 5346352, 6682940, 7290480, 8019528, 10024410, 13365880, 16039056, 20048820, 26731760, 40097640, 80195280]

約数ペア:

[(1, 80195280), (2, 40097640), (3, 26731760), (4, 20048820), (5, 16039056), (6, 13365880), (8, 10024410), (10, 8019528), (11, 7290480), (12, 6682940), (15, 5346352), (16, 5012205), (20, 4009764), (22, 3645240), (24, 3341470), (30, 2673176), (33, 2430160), (37, 2167440), (40, 2004882), (44, 1822620), (48, 1670735), (55, 1458096), (60, 1336588), (66, 1215080), (74, 1083720), (80, 1002441), (88, 911310), (110, 729048), (111, 722480), (120, 668294), (132, 607540), (148, 541860), (165, 486032), (176, 455655), (185, 433488), (220, 364524), (222, 361240), (240, 334147), (264, 303770), (296, 270930), (330, 243016), (370, 216744), (407, 197040), (440, 182262), (444, 180620), (528, 151885), (555, 144496), (592, 135465), (660, 121508), (740, 108372), (814, 98520), (821, 97680), (880, 91131), (888, 90310), (1110, 72248), (1221, 65680), (1320, 60754), (1480, 54186), (1628, 49260), (1642, 48840), (1776, 45155), (2035, 39408), (2220, 36124), (2442, 32840), (2463, 32560), (2640, 30377), (2960, 27093), (3256, 24630), (3284, 24420), (4070, 19704), (4105, 19536), (4440, 18062), (4884, 16420), (4926, 16280), (6105, 13136), (6512, 12315), (6568, 12210), (8140, 9852), (8210, 9768), (8880, 9031)]