129509320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 331776000

約数和(自身を除く): 202266680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 31, 38, 40, 46, 62, 76, 92, 95, 115, 124, 152, 155, 184, 190, 230, 239, 248, 310, 380, 437, 460, 478, 589, 620, 713, 760, 874, 920, 956, 1178, 1195, 1240, 1426, 1748, 1912, 2185, 2356, 2390, 2852, 2945, 3496, 3565, 4370, 4541, 4712, 4780, 5497, 5704, 5890, 7130, 7409, 8740, 9082, 9560, 10994, 11780, 13547, 14260, 14818, 17480, 18164, 21988, 22705, 23560, 27094, 27485, 28520, 29636, 36328, 37045, 43976, 45410, 54188, 54970, 59272, 67735, 74090, 90820, 104443, 108376, 109940, 135470, 140771, 148180, 170407, 181640, 208886, 219880, 270940, 281542, 296360, 340814, 417772, 522215, 541880, 563084, 681628, 703855, 835544, 852035, 1044430, 1126168, 1363256, 1407710, 1704070, 2088860, 2815420, 3237733, 3408140, 4177720, 5630840, 6475466, 6816280, 12950932, 16188665, 25901864, 32377330, 64754660, 129509320]

約数ペア:

[(1, 129509320), (2, 64754660), (4, 32377330), (5, 25901864), (8, 16188665), (10, 12950932), (19, 6816280), (20, 6475466), (23, 5630840), (31, 4177720), (38, 3408140), (40, 3237733), (46, 2815420), (62, 2088860), (76, 1704070), (92, 1407710), (95, 1363256), (115, 1126168), (124, 1044430), (152, 852035), (155, 835544), (184, 703855), (190, 681628), (230, 563084), (239, 541880), (248, 522215), (310, 417772), (380, 340814), (437, 296360), (460, 281542), (478, 270940), (589, 219880), (620, 208886), (713, 181640), (760, 170407), (874, 148180), (920, 140771), (956, 135470), (1178, 109940), (1195, 108376), (1240, 104443), (1426, 90820), (1748, 74090), (1912, 67735), (2185, 59272), (2356, 54970), (2390, 54188), (2852, 45410), (2945, 43976), (3496, 37045), (3565, 36328), (4370, 29636), (4541, 28520), (4712, 27485), (4780, 27094), (5497, 23560), (5704, 22705), (5890, 21988), (7130, 18164), (7409, 17480), (8740, 14818), (9082, 14260), (9560, 13547), (10994, 11780)]