51111520

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:117

約数の個数: 192

約数和(自身を含む): 143700480

約数和(自身を除く): 92588960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 23, 32, 34, 38, 40, 43, 46, 68, 76, 80, 85, 86, 92, 95, 115, 136, 152, 160, 170, 172, 184, 190, 215, 230, 272, 304, 323, 340, 344, 368, 380, 391, 430, 437, 460, 544, 608, 646, 680, 688, 731, 736, 760, 782, 817, 860, 874, 920, 989, 1292, 1360, 1376, 1462, 1520, 1564, 1615, 1634, 1720, 1748, 1840, 1955, 1978, 2185, 2584, 2720, 2924, 3040, 3128, 3230, 3268, 3440, 3496, 3655, 3680, 3910, 3956, 4085, 4370, 4945, 5168, 5848, 6256, 6460, 6536, 6880, 6992, 7310, 7429, 7820, 7912, 8170, 8740, 9890, 10336, 11696, 12512, 12920, 13072, 13889, 13984, 14620, 14858, 15640, 15824, 16340, 16813, 17480, 18791, 19780, 23392, 25840, 26144, 27778, 29240, 29716, 31280, 31648, 32680, 33626, 34960, 37145, 37582, 39560, 51680, 55556, 58480, 59432, 62560, 65360, 67252, 69445, 69920, 74290, 75164, 79120, 84065, 93955, 111112, 116960, 118864, 130720, 134504, 138890, 148580, 150328, 158240, 168130, 187910, 222224, 237728, 269008, 277780, 297160, 300656, 319447, 336260, 375820, 444448, 538016, 555560, 594320, 601312, 638894, 672520, 751640, 1111120, 1188640, 1277788, 1345040, 1503280, 1597235, 2222240, 2555576, 2690080, 3006560, 3194470, 5111152, 6388940, 10222304, 12777880, 25555760, 51111520]

約数ペア:

[(1, 51111520), (2, 25555760), (4, 12777880), (5, 10222304), (8, 6388940), (10, 5111152), (16, 3194470), (17, 3006560), (19, 2690080), (20, 2555576), (23, 2222240), (32, 1597235), (34, 1503280), (38, 1345040), (40, 1277788), (43, 1188640), (46, 1111120), (68, 751640), (76, 672520), (80, 638894), (85, 601312), (86, 594320), (92, 555560), (95, 538016), (115, 444448), (136, 375820), (152, 336260), (160, 319447), (170, 300656), (172, 297160), (184, 277780), (190, 269008), (215, 237728), (230, 222224), (272, 187910), (304, 168130), (323, 158240), (340, 150328), (344, 148580), (368, 138890), (380, 134504), (391, 130720), (430, 118864), (437, 116960), (460, 111112), (544, 93955), (608, 84065), (646, 79120), (680, 75164), (688, 74290), (731, 69920), (736, 69445), (760, 67252), (782, 65360), (817, 62560), (860, 59432), (874, 58480), (920, 55556), (989, 51680), (1292, 39560), (1360, 37582), (1376, 37145), (1462, 34960), (1520, 33626), (1564, 32680), (1615, 31648), (1634, 31280), (1720, 29716), (1748, 29240), (1840, 27778), (1955, 26144), (1978, 25840), (2185, 23392), (2584, 19780), (2720, 18791), (2924, 17480), (3040, 16813), (3128, 16340), (3230, 15824), (3268, 15640), (3440, 14858), (3496, 14620), (3655, 13984), (3680, 13889), (3910, 13072), (3956, 12920), (4085, 12512), (4370, 11696), (4945, 10336), (5168, 9890), (5848, 8740), (6256, 8170), (6460, 7912), (6536, 7820), (6880, 7429), (6992, 7310)]