81986190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:722

約数の個数: 128

約数和(自身を含む): 239500800

約数和(自身を除く): 157514610

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 29, 30, 33, 39, 55, 58, 65, 66, 78, 87, 110, 130, 143, 145, 165, 174, 195, 286, 290, 319, 330, 377, 390, 429, 435, 638, 659, 715, 754, 858, 870, 957, 1131, 1318, 1430, 1595, 1885, 1914, 1977, 2145, 2262, 3190, 3295, 3770, 3954, 4147, 4290, 4785, 5655, 6590, 7249, 8294, 8567, 9570, 9885, 11310, 12441, 14498, 17134, 19111, 19770, 20735, 21747, 24882, 25701, 36245, 38222, 41470, 42835, 43494, 51402, 57333, 62205, 72490, 85670, 94237, 95555, 108735, 114666, 124410, 128505, 188474, 191110, 210221, 217470, 248443, 257010, 282711, 286665, 420442, 471185, 496886, 565422, 573330, 630663, 745329, 942370, 1051105, 1242215, 1261326, 1413555, 1490658, 2102210, 2484430, 2732873, 2827110, 3153315, 3726645, 5465746, 6306630, 7453290, 8198619, 13664365, 16397238, 27328730, 40993095, 81986190]

約数ペア:

[(1, 81986190), (2, 40993095), (3, 27328730), (5, 16397238), (6, 13664365), (10, 8198619), (11, 7453290), (13, 6306630), (15, 5465746), (22, 3726645), (26, 3153315), (29, 2827110), (30, 2732873), (33, 2484430), (39, 2102210), (55, 1490658), (58, 1413555), (65, 1261326), (66, 1242215), (78, 1051105), (87, 942370), (110, 745329), (130, 630663), (143, 573330), (145, 565422), (165, 496886), (174, 471185), (195, 420442), (286, 286665), (290, 282711), (319, 257010), (330, 248443), (377, 217470), (390, 210221), (429, 191110), (435, 188474), (638, 128505), (659, 124410), (715, 114666), (754, 108735), (858, 95555), (870, 94237), (957, 85670), (1131, 72490), (1318, 62205), (1430, 57333), (1595, 51402), (1885, 43494), (1914, 42835), (1977, 41470), (2145, 38222), (2262, 36245), (3190, 25701), (3295, 24882), (3770, 21747), (3954, 20735), (4147, 19770), (4290, 19111), (4785, 17134), (5655, 14498), (6590, 12441), (7249, 11310), (8294, 9885), (8567, 9570)]