78913600

素因数分解:

$2^6\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 168

約数和(自身を含む): 210645248

約数和(自身を除く): 131731648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 37, 40, 43, 50, 62, 64, 74, 80, 86, 100, 124, 148, 155, 160, 172, 185, 200, 215, 248, 296, 310, 320, 344, 370, 400, 430, 496, 592, 620, 688, 740, 775, 800, 860, 925, 992, 1075, 1147, 1184, 1240, 1333, 1376, 1480, 1550, 1591, 1600, 1720, 1850, 1984, 2150, 2294, 2368, 2480, 2666, 2752, 2960, 3100, 3182, 3440, 3700, 4300, 4588, 4960, 5332, 5735, 5920, 6200, 6364, 6665, 6880, 7400, 7955, 8600, 9176, 9920, 10664, 11470, 11840, 12400, 12728, 13330, 13760, 14800, 15910, 17200, 18352, 21328, 22940, 24800, 25456, 26660, 28675, 29600, 31820, 33325, 34400, 36704, 39775, 42656, 45880, 49321, 49600, 50912, 53320, 57350, 59200, 63640, 66650, 68800, 73408, 79550, 85312, 91760, 98642, 101824, 106640, 114700, 127280, 133300, 159100, 183520, 197284, 213280, 229400, 246605, 254560, 266600, 318200, 367040, 394568, 426560, 458800, 493210, 509120, 533200, 636400, 789136, 917600, 986420, 1066400, 1233025, 1272800, 1578272, 1835200, 1972840, 2132800, 2466050, 2545600, 3156544, 3945680, 4932100, 7891360, 9864200, 15782720, 19728400, 39456800, 78913600]

約数ペア:

[(1, 78913600), (2, 39456800), (4, 19728400), (5, 15782720), (8, 9864200), (10, 7891360), (16, 4932100), (20, 3945680), (25, 3156544), (31, 2545600), (32, 2466050), (37, 2132800), (40, 1972840), (43, 1835200), (50, 1578272), (62, 1272800), (64, 1233025), (74, 1066400), (80, 986420), (86, 917600), (100, 789136), (124, 636400), (148, 533200), (155, 509120), (160, 493210), (172, 458800), (185, 426560), (200, 394568), (215, 367040), (248, 318200), (296, 266600), (310, 254560), (320, 246605), (344, 229400), (370, 213280), (400, 197284), (430, 183520), (496, 159100), (592, 133300), (620, 127280), (688, 114700), (740, 106640), (775, 101824), (800, 98642), (860, 91760), (925, 85312), (992, 79550), (1075, 73408), (1147, 68800), (1184, 66650), (1240, 63640), (1333, 59200), (1376, 57350), (1480, 53320), (1550, 50912), (1591, 49600), (1600, 49321), (1720, 45880), (1850, 42656), (1984, 39775), (2150, 36704), (2294, 34400), (2368, 33325), (2480, 31820), (2666, 29600), (2752, 28675), (2960, 26660), (3100, 25456), (3182, 24800), (3440, 22940), (3700, 21328), (4300, 18352), (4588, 17200), (4960, 15910), (5332, 14800), (5735, 13760), (5920, 13330), (6200, 12728), (6364, 12400), (6665, 11840), (6880, 11470), (7400, 10664), (7955, 9920), (8600, 9176)]