81976032

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:317

約数の個数: 144

約数和(自身を含む): 250024320

約数和(自身を除く): 168048288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 71, 72, 76, 96, 114, 142, 144, 152, 171, 211, 213, 228, 284, 288, 304, 342, 422, 426, 456, 568, 608, 633, 639, 684, 844, 852, 912, 1136, 1266, 1278, 1349, 1368, 1688, 1704, 1824, 1899, 2272, 2532, 2556, 2698, 2736, 3376, 3408, 3798, 4009, 4047, 5064, 5112, 5396, 5472, 6752, 6816, 7596, 8018, 8094, 10128, 10224, 10792, 12027, 12141, 14981, 15192, 16036, 16188, 20256, 20448, 21584, 24054, 24282, 29962, 30384, 32072, 32376, 36081, 43168, 44943, 48108, 48564, 59924, 60768, 64144, 64752, 72162, 89886, 96216, 97128, 119848, 128288, 129504, 134829, 144324, 179772, 192432, 194256, 239696, 269658, 284639, 288648, 359544, 384864, 388512, 479392, 539316, 569278, 577296, 719088, 853917, 1078632, 1138556, 1154592, 1438176, 1707834, 2157264, 2277112, 2561751, 3415668, 4314528, 4554224, 5123502, 6831336, 9108448, 10247004, 13662672, 20494008, 27325344, 40988016, 81976032]

約数ペア:

[(1, 81976032), (2, 40988016), (3, 27325344), (4, 20494008), (6, 13662672), (8, 10247004), (9, 9108448), (12, 6831336), (16, 5123502), (18, 4554224), (19, 4314528), (24, 3415668), (32, 2561751), (36, 2277112), (38, 2157264), (48, 1707834), (57, 1438176), (71, 1154592), (72, 1138556), (76, 1078632), (96, 853917), (114, 719088), (142, 577296), (144, 569278), (152, 539316), (171, 479392), (211, 388512), (213, 384864), (228, 359544), (284, 288648), (288, 284639), (304, 269658), (342, 239696), (422, 194256), (426, 192432), (456, 179772), (568, 144324), (608, 134829), (633, 129504), (639, 128288), (684, 119848), (844, 97128), (852, 96216), (912, 89886), (1136, 72162), (1266, 64752), (1278, 64144), (1349, 60768), (1368, 59924), (1688, 48564), (1704, 48108), (1824, 44943), (1899, 43168), (2272, 36081), (2532, 32376), (2556, 32072), (2698, 30384), (2736, 29962), (3376, 24282), (3408, 24054), (3798, 21584), (4009, 20448), (4047, 20256), (5064, 16188), (5112, 16036), (5396, 15192), (5472, 14981), (6752, 12141), (6816, 12027), (7596, 10792), (8018, 10224), (8094, 10128)]