153931520

素因数分解:

$2^8\times 5^1\times {\mathrm{241}}^1\times {\mathrm{499}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 370986000

約数和(自身を除く): 217054480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 241, 256, 320, 482, 499, 640, 964, 998, 1205, 1280, 1928, 1996, 2410, 2495, 3856, 3992, 4820, 4990, 7712, 7984, 9640, 9980, 15424, 15968, 19280, 19960, 30848, 31936, 38560, 39920, 61696, 63872, 77120, 79840, 120259, 127744, 154240, 159680, 240518, 308480, 319360, 481036, 601295, 638720, 962072, 1202590, 1924144, 2405180, 3848288, 4810360, 7696576, 9620720, 15393152, 19241440, 30786304, 38482880, 76965760, 153931520]

約数ペア:

[(1, 153931520), (2, 76965760), (4, 38482880), (5, 30786304), (8, 19241440), (10, 15393152), (16, 9620720), (20, 7696576), (32, 4810360), (40, 3848288), (64, 2405180), (80, 1924144), (128, 1202590), (160, 962072), (241, 638720), (256, 601295), (320, 481036), (482, 319360), (499, 308480), (640, 240518), (964, 159680), (998, 154240), (1205, 127744), (1280, 120259), (1928, 79840), (1996, 77120), (2410, 63872), (2495, 61696), (3856, 39920), (3992, 38560), (4820, 31936), (4990, 30848), (7712, 19960), (7984, 19280), (9640, 15968), (9980, 15424)]