42576640

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 111847680

約数和(自身を除く): 69271040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 37, 40, 58, 62, 64, 74, 80, 116, 124, 128, 145, 148, 155, 160, 185, 232, 248, 256, 290, 296, 310, 320, 370, 464, 496, 580, 592, 620, 640, 740, 899, 928, 992, 1073, 1147, 1160, 1184, 1240, 1280, 1480, 1798, 1856, 1984, 2146, 2294, 2320, 2368, 2480, 2960, 3596, 3712, 3968, 4292, 4495, 4588, 4640, 4736, 4960, 5365, 5735, 5920, 7192, 7424, 7936, 8584, 8990, 9176, 9280, 9472, 9920, 10730, 11470, 11840, 14384, 17168, 17980, 18352, 18560, 19840, 21460, 22940, 23680, 28768, 33263, 34336, 35960, 36704, 37120, 39680, 42920, 45880, 47360, 57536, 66526, 68672, 71920, 73408, 85840, 91760, 115072, 133052, 137344, 143840, 146816, 166315, 171680, 183520, 230144, 266104, 274688, 287680, 293632, 332630, 343360, 367040, 532208, 575360, 665260, 686720, 734080, 1064416, 1150720, 1330520, 1373440, 1468160, 2128832, 2661040, 4257664, 5322080, 8515328, 10644160, 21288320, 42576640]

約数ペア:

[(1, 42576640), (2, 21288320), (4, 10644160), (5, 8515328), (8, 5322080), (10, 4257664), (16, 2661040), (20, 2128832), (29, 1468160), (31, 1373440), (32, 1330520), (37, 1150720), (40, 1064416), (58, 734080), (62, 686720), (64, 665260), (74, 575360), (80, 532208), (116, 367040), (124, 343360), (128, 332630), (145, 293632), (148, 287680), (155, 274688), (160, 266104), (185, 230144), (232, 183520), (248, 171680), (256, 166315), (290, 146816), (296, 143840), (310, 137344), (320, 133052), (370, 115072), (464, 91760), (496, 85840), (580, 73408), (592, 71920), (620, 68672), (640, 66526), (740, 57536), (899, 47360), (928, 45880), (992, 42920), (1073, 39680), (1147, 37120), (1160, 36704), (1184, 35960), (1240, 34336), (1280, 33263), (1480, 28768), (1798, 23680), (1856, 22940), (1984, 21460), (2146, 19840), (2294, 18560), (2320, 18352), (2368, 17980), (2480, 17168), (2960, 14384), (3596, 11840), (3712, 11470), (3968, 10730), (4292, 9920), (4495, 9472), (4588, 9280), (4640, 9176), (4736, 8990), (4960, 8584), (5365, 7936), (5735, 7424), (5920, 7192)]