31890816

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 101836800

約数和(自身を除く): 69945984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 32, 36, 38, 47, 48, 57, 62, 64, 72, 76, 93, 94, 96, 114, 124, 128, 141, 144, 152, 171, 186, 188, 192, 228, 248, 279, 282, 288, 304, 342, 372, 376, 384, 423, 456, 496, 558, 564, 576, 589, 608, 684, 744, 752, 846, 893, 912, 992, 1116, 1128, 1152, 1178, 1216, 1368, 1457, 1488, 1504, 1692, 1767, 1786, 1824, 1984, 2232, 2256, 2356, 2432, 2679, 2736, 2914, 2976, 3008, 3384, 3534, 3572, 3648, 3968, 4371, 4464, 4512, 4712, 5301, 5358, 5472, 5828, 5952, 6016, 6768, 7068, 7144, 7296, 8037, 8742, 8928, 9024, 9424, 10602, 10716, 10944, 11656, 11904, 13113, 13536, 14136, 14288, 16074, 17484, 17856, 18048, 18848, 21204, 21432, 21888, 23312, 26226, 27072, 27683, 28272, 28576, 32148, 34968, 35712, 37696, 42408, 42864, 46624, 52452, 54144, 55366, 56544, 57152, 64296, 69936, 75392, 83049, 84816, 85728, 93248, 104904, 110732, 113088, 114304, 128592, 139872, 166098, 169632, 171456, 186496, 209808, 221464, 226176, 249147, 257184, 279744, 332196, 339264, 342912, 419616, 442928, 498294, 514368, 559488, 664392, 678528, 839232, 885856, 996588, 1028736, 1328784, 1678464, 1771712, 1993176, 2657568, 3543424, 3986352, 5315136, 7972704, 10630272, 15945408, 31890816]

約数ペア:

[(1, 31890816), (2, 15945408), (3, 10630272), (4, 7972704), (6, 5315136), (8, 3986352), (9, 3543424), (12, 2657568), (16, 1993176), (18, 1771712), (19, 1678464), (24, 1328784), (31, 1028736), (32, 996588), (36, 885856), (38, 839232), (47, 678528), (48, 664392), (57, 559488), (62, 514368), (64, 498294), (72, 442928), (76, 419616), (93, 342912), (94, 339264), (96, 332196), (114, 279744), (124, 257184), (128, 249147), (141, 226176), (144, 221464), (152, 209808), (171, 186496), (186, 171456), (188, 169632), (192, 166098), (228, 139872), (248, 128592), (279, 114304), (282, 113088), (288, 110732), (304, 104904), (342, 93248), (372, 85728), (376, 84816), (384, 83049), (423, 75392), (456, 69936), (496, 64296), (558, 57152), (564, 56544), (576, 55366), (589, 54144), (608, 52452), (684, 46624), (744, 42864), (752, 42408), (846, 37696), (893, 35712), (912, 34968), (992, 32148), (1116, 28576), (1128, 28272), (1152, 27683), (1178, 27072), (1216, 26226), (1368, 23312), (1457, 21888), (1488, 21432), (1504, 21204), (1692, 18848), (1767, 18048), (1786, 17856), (1824, 17484), (1984, 16074), (2232, 14288), (2256, 14136), (2356, 13536), (2432, 13113), (2679, 11904), (2736, 11656), (2914, 10944), (2976, 10716), (3008, 10602), (3384, 9424), (3534, 9024), (3572, 8928), (3648, 8742), (3968, 8037), (4371, 7296), (4464, 7144), (4512, 7068), (4712, 6768), (5301, 6016), (5358, 5952), (5472, 5828)]