137778880

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:127

約数の個数: 224

約数和(自身を含む): 386242560

約数和(自身を除く): 248463680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 31, 32, 34, 38, 40, 43, 62, 64, 68, 76, 80, 85, 86, 95, 124, 136, 152, 155, 160, 170, 172, 190, 215, 248, 272, 304, 310, 320, 323, 340, 344, 380, 430, 496, 527, 544, 589, 608, 620, 646, 680, 688, 731, 760, 817, 860, 992, 1054, 1088, 1178, 1216, 1240, 1292, 1333, 1360, 1376, 1462, 1520, 1615, 1634, 1720, 1984, 2108, 2356, 2480, 2584, 2635, 2666, 2720, 2752, 2924, 2945, 3040, 3230, 3268, 3440, 3655, 4085, 4216, 4712, 4960, 5168, 5270, 5332, 5440, 5848, 5890, 6080, 6460, 6536, 6665, 6880, 7310, 8170, 8432, 9424, 9920, 10013, 10336, 10540, 10664, 11696, 11780, 12920, 13072, 13330, 13760, 13889, 14620, 16340, 16864, 18848, 20026, 20672, 21080, 21328, 22661, 23392, 23560, 25327, 25840, 26144, 26660, 27778, 29240, 32680, 33728, 37696, 40052, 42160, 42656, 45322, 46784, 47120, 50065, 50654, 51680, 52288, 53320, 55556, 58480, 65360, 69445, 80104, 84320, 85312, 90644, 94240, 100130, 101308, 103360, 106640, 111112, 113305, 116960, 126635, 130720, 138890, 160208, 168640, 181288, 188480, 200260, 202616, 213280, 222224, 226610, 233920, 253270, 261440, 277780, 320416, 362576, 400520, 405232, 426560, 430559, 444448, 453220, 506540, 555560, 640832, 725152, 801040, 810464, 861118, 888896, 906440, 1013080, 1111120, 1450304, 1602080, 1620928, 1722236, 1812880, 2026160, 2152795, 2222240, 3204160, 3444472, 3625760, 4052320, 4305590, 4444480, 6888944, 7251520, 8104640, 8611180, 13777888, 17222360, 27555776, 34444720, 68889440, 137778880]

約数ペア:

[(1, 137778880), (2, 68889440), (4, 34444720), (5, 27555776), (8, 17222360), (10, 13777888), (16, 8611180), (17, 8104640), (19, 7251520), (20, 6888944), (31, 4444480), (32, 4305590), (34, 4052320), (38, 3625760), (40, 3444472), (43, 3204160), (62, 2222240), (64, 2152795), (68, 2026160), (76, 1812880), (80, 1722236), (85, 1620928), (86, 1602080), (95, 1450304), (124, 1111120), (136, 1013080), (152, 906440), (155, 888896), (160, 861118), (170, 810464), (172, 801040), (190, 725152), (215, 640832), (248, 555560), (272, 506540), (304, 453220), (310, 444448), (320, 430559), (323, 426560), (340, 405232), (344, 400520), (380, 362576), (430, 320416), (496, 277780), (527, 261440), (544, 253270), (589, 233920), (608, 226610), (620, 222224), (646, 213280), (680, 202616), (688, 200260), (731, 188480), (760, 181288), (817, 168640), (860, 160208), (992, 138890), (1054, 130720), (1088, 126635), (1178, 116960), (1216, 113305), (1240, 111112), (1292, 106640), (1333, 103360), (1360, 101308), (1376, 100130), (1462, 94240), (1520, 90644), (1615, 85312), (1634, 84320), (1720, 80104), (1984, 69445), (2108, 65360), (2356, 58480), (2480, 55556), (2584, 53320), (2635, 52288), (2666, 51680), (2720, 50654), (2752, 50065), (2924, 47120), (2945, 46784), (3040, 45322), (3230, 42656), (3268, 42160), (3440, 40052), (3655, 37696), (4085, 33728), (4216, 32680), (4712, 29240), (4960, 27778), (5168, 26660), (5270, 26144), (5332, 25840), (5440, 25327), (5848, 23560), (5890, 23392), (6080, 22661), (6460, 21328), (6536, 21080), (6665, 20672), (6880, 20026), (7310, 18848), (8170, 16864), (8432, 16340), (9424, 14620), (9920, 13889), (10013, 13760), (10336, 13330), (10540, 13072), (10664, 12920), (11696, 11780)]