178996480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 478001664

約数和(自身を除く): 299005184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 347, 403, 416, 496, 520, 620, 640, 694, 806, 832, 992, 1040, 1240, 1280, 1388, 1612, 1664, 1735, 1984, 2015, 2080, 2480, 2776, 3224, 3328, 3470, 3968, 4030, 4160, 4511, 4960, 5552, 6448, 6940, 7936, 8060, 8320, 9022, 9920, 10757, 11104, 12896, 13880, 16120, 16640, 18044, 19840, 21514, 22208, 22555, 25792, 27760, 32240, 36088, 39680, 43028, 44416, 45110, 51584, 53785, 55520, 64480, 72176, 86056, 88832, 90220, 103168, 107570, 111040, 128960, 139841, 144352, 172112, 180440, 215140, 222080, 257920, 279682, 288704, 344224, 360880, 430280, 444160, 515840, 559364, 577408, 688448, 699205, 721760, 860560, 1118728, 1154816, 1376896, 1398410, 1443520, 1721120, 2237456, 2753792, 2796820, 2887040, 3442240, 4474912, 5593640, 5774080, 6884480, 8949824, 11187280, 13768960, 17899648, 22374560, 35799296, 44749120, 89498240, 178996480]

約数ペア:

[(1, 178996480), (2, 89498240), (4, 44749120), (5, 35799296), (8, 22374560), (10, 17899648), (13, 13768960), (16, 11187280), (20, 8949824), (26, 6884480), (31, 5774080), (32, 5593640), (40, 4474912), (52, 3442240), (62, 2887040), (64, 2796820), (65, 2753792), (80, 2237456), (104, 1721120), (124, 1443520), (128, 1398410), (130, 1376896), (155, 1154816), (160, 1118728), (208, 860560), (248, 721760), (256, 699205), (260, 688448), (310, 577408), (320, 559364), (347, 515840), (403, 444160), (416, 430280), (496, 360880), (520, 344224), (620, 288704), (640, 279682), (694, 257920), (806, 222080), (832, 215140), (992, 180440), (1040, 172112), (1240, 144352), (1280, 139841), (1388, 128960), (1612, 111040), (1664, 107570), (1735, 103168), (1984, 90220), (2015, 88832), (2080, 86056), (2480, 72176), (2776, 64480), (3224, 55520), (3328, 53785), (3470, 51584), (3968, 45110), (4030, 44416), (4160, 43028), (4511, 39680), (4960, 36088), (5552, 32240), (6448, 27760), (6940, 25792), (7936, 22555), (8060, 22208), (8320, 21514), (9022, 19840), (9920, 18044), (10757, 16640), (11104, 16120), (12896, 13880)]