121928320

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:346

約数の個数: 128

約数和(自身を含む): 316281600

約数和(自身を除く): 194353280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 128, 148, 152, 160, 185, 190, 271, 296, 304, 320, 370, 380, 542, 592, 608, 640, 703, 740, 760, 1084, 1184, 1216, 1355, 1406, 1480, 1520, 2168, 2368, 2432, 2710, 2812, 2960, 3040, 3515, 4336, 4736, 5149, 5420, 5624, 5920, 6080, 7030, 8672, 10027, 10298, 10840, 11248, 11840, 12160, 14060, 17344, 20054, 20596, 21680, 22496, 23680, 25745, 28120, 34688, 40108, 41192, 43360, 44992, 50135, 51490, 56240, 80216, 82384, 86720, 89984, 100270, 102980, 112480, 160432, 164768, 173440, 190513, 200540, 205960, 224960, 320864, 329536, 381026, 401080, 411920, 449920, 641728, 659072, 762052, 802160, 823840, 952565, 1283456, 1524104, 1604320, 1647680, 1905130, 3048208, 3208640, 3295360, 3810260, 6096416, 6417280, 7620520, 12192832, 15241040, 24385664, 30482080, 60964160, 121928320]

約数ペア:

[(1, 121928320), (2, 60964160), (4, 30482080), (5, 24385664), (8, 15241040), (10, 12192832), (16, 7620520), (19, 6417280), (20, 6096416), (32, 3810260), (37, 3295360), (38, 3208640), (40, 3048208), (64, 1905130), (74, 1647680), (76, 1604320), (80, 1524104), (95, 1283456), (128, 952565), (148, 823840), (152, 802160), (160, 762052), (185, 659072), (190, 641728), (271, 449920), (296, 411920), (304, 401080), (320, 381026), (370, 329536), (380, 320864), (542, 224960), (592, 205960), (608, 200540), (640, 190513), (703, 173440), (740, 164768), (760, 160432), (1084, 112480), (1184, 102980), (1216, 100270), (1355, 89984), (1406, 86720), (1480, 82384), (1520, 80216), (2168, 56240), (2368, 51490), (2432, 50135), (2710, 44992), (2812, 43360), (2960, 41192), (3040, 40108), (3515, 34688), (4336, 28120), (4736, 25745), (5149, 23680), (5420, 22496), (5624, 21680), (5920, 20596), (6080, 20054), (7030, 17344), (8672, 14060), (10027, 12160), (10298, 11840), (10840, 11248)]