68387840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 132

約数和(自身を含む): 177818796

約数和(自身を除く): 109430956

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, 256, 296, 304, 320, 361, 370, 380, 512, 592, 608, 640, 703, 722, 740, 760, 1024, 1184, 1216, 1280, 1406, 1444, 1480, 1520, 1805, 2368, 2432, 2560, 2812, 2888, 2960, 3040, 3515, 3610, 4736, 4864, 5120, 5624, 5776, 5920, 6080, 7030, 7220, 9472, 9728, 11248, 11552, 11840, 12160, 13357, 14060, 14440, 18944, 19456, 22496, 23104, 23680, 24320, 26714, 28120, 28880, 37888, 44992, 46208, 47360, 48640, 53428, 56240, 57760, 66785, 89984, 92416, 94720, 97280, 106856, 112480, 115520, 133570, 179968, 184832, 189440, 213712, 224960, 231040, 267140, 359936, 369664, 427424, 449920, 462080, 534280, 719872, 854848, 899840, 924160, 1068560, 1709696, 1799680, 1848320, 2137120, 3419392, 3599360, 4274240, 6838784, 8548480, 13677568, 17096960, 34193920, 68387840]

約数ペア:

[(1, 68387840), (2, 34193920), (4, 17096960), (5, 13677568), (8, 8548480), (10, 6838784), (16, 4274240), (19, 3599360), (20, 3419392), (32, 2137120), (37, 1848320), (38, 1799680), (40, 1709696), (64, 1068560), (74, 924160), (76, 899840), (80, 854848), (95, 719872), (128, 534280), (148, 462080), (152, 449920), (160, 427424), (185, 369664), (190, 359936), (256, 267140), (296, 231040), (304, 224960), (320, 213712), (361, 189440), (370, 184832), (380, 179968), (512, 133570), (592, 115520), (608, 112480), (640, 106856), (703, 97280), (722, 94720), (740, 92416), (760, 89984), (1024, 66785), (1184, 57760), (1216, 56240), (1280, 53428), (1406, 48640), (1444, 47360), (1480, 46208), (1520, 44992), (1805, 37888), (2368, 28880), (2432, 28120), (2560, 26714), (2812, 24320), (2888, 23680), (2960, 23104), (3040, 22496), (3515, 19456), (3610, 18944), (4736, 14440), (4864, 14060), (5120, 13357), (5624, 12160), (5776, 11840), (5920, 11552), (6080, 11248), (7030, 9728), (7220, 9472)]