77812480

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 201325824

約数和(自身を除く): 123513344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 53, 62, 64, 74, 80, 106, 124, 128, 148, 155, 160, 185, 212, 248, 256, 265, 296, 310, 320, 370, 424, 496, 530, 592, 620, 640, 740, 848, 992, 1060, 1147, 1184, 1240, 1280, 1480, 1643, 1696, 1961, 1984, 2120, 2294, 2368, 2480, 2960, 3286, 3392, 3922, 3968, 4240, 4588, 4736, 4960, 5735, 5920, 6572, 6784, 7844, 7936, 8215, 8480, 9176, 9472, 9805, 9920, 11470, 11840, 13144, 13568, 15688, 16430, 16960, 18352, 19610, 19840, 22940, 23680, 26288, 31376, 32860, 33920, 36704, 39220, 39680, 45880, 47360, 52576, 60791, 62752, 65720, 67840, 73408, 78440, 91760, 105152, 121582, 125504, 131440, 146816, 156880, 183520, 210304, 243164, 251008, 262880, 293632, 303955, 313760, 367040, 420608, 486328, 502016, 525760, 607910, 627520, 734080, 972656, 1051520, 1215820, 1255040, 1468160, 1945312, 2103040, 2431640, 2510080, 3890624, 4863280, 7781248, 9726560, 15562496, 19453120, 38906240, 77812480]

約数ペア:

[(1, 77812480), (2, 38906240), (4, 19453120), (5, 15562496), (8, 9726560), (10, 7781248), (16, 4863280), (20, 3890624), (31, 2510080), (32, 2431640), (37, 2103040), (40, 1945312), (53, 1468160), (62, 1255040), (64, 1215820), (74, 1051520), (80, 972656), (106, 734080), (124, 627520), (128, 607910), (148, 525760), (155, 502016), (160, 486328), (185, 420608), (212, 367040), (248, 313760), (256, 303955), (265, 293632), (296, 262880), (310, 251008), (320, 243164), (370, 210304), (424, 183520), (496, 156880), (530, 146816), (592, 131440), (620, 125504), (640, 121582), (740, 105152), (848, 91760), (992, 78440), (1060, 73408), (1147, 67840), (1184, 65720), (1240, 62752), (1280, 60791), (1480, 52576), (1643, 47360), (1696, 45880), (1961, 39680), (1984, 39220), (2120, 36704), (2294, 33920), (2368, 32860), (2480, 31376), (2960, 26288), (3286, 23680), (3392, 22940), (3922, 19840), (3968, 19610), (4240, 18352), (4588, 16960), (4736, 16430), (4960, 15688), (5735, 13568), (5920, 13144), (6572, 11840), (6784, 11470), (7844, 9920), (7936, 9805), (8215, 9472), (8480, 9176)]