161960864

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:734

約数の個数: 96

約数和(自身を含む): 373685760

約数和(自身を除く): 211724896

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 32, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 416, 494, 496, 589, 608, 661, 806, 988, 992, 1178, 1322, 1612, 1976, 2356, 2644, 3224, 3952, 4712, 5288, 6448, 7657, 7904, 8593, 9424, 10576, 12559, 12896, 15314, 17186, 18848, 20491, 21152, 25118, 30628, 34372, 40982, 50236, 61256, 68744, 81964, 100472, 122512, 137488, 163267, 163928, 200944, 245024, 266383, 274976, 326534, 327856, 389329, 401888, 532766, 653068, 655712, 778658, 1065532, 1306136, 1557316, 2131064, 2612272, 3114632, 4262128, 5061277, 5224544, 6229264, 8524256, 10122554, 12458528, 20245108, 40490216, 80980432, 161960864]

約数ペア:

[(1, 161960864), (2, 80980432), (4, 40490216), (8, 20245108), (13, 12458528), (16, 10122554), (19, 8524256), (26, 6229264), (31, 5224544), (32, 5061277), (38, 4262128), (52, 3114632), (62, 2612272), (76, 2131064), (104, 1557316), (124, 1306136), (152, 1065532), (208, 778658), (247, 655712), (248, 653068), (304, 532766), (403, 401888), (416, 389329), (494, 327856), (496, 326534), (589, 274976), (608, 266383), (661, 245024), (806, 200944), (988, 163928), (992, 163267), (1178, 137488), (1322, 122512), (1612, 100472), (1976, 81964), (2356, 68744), (2644, 61256), (3224, 50236), (3952, 40982), (4712, 34372), (5288, 30628), (6448, 25118), (7657, 21152), (7904, 20491), (8593, 18848), (9424, 17186), (10576, 15314), (12559, 12896)]