867641920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{457}}^1$

素因数の和:840

約数の個数: 112

約数和(自身を含む): 2198674800

約数和(自身を除く): 1331032880

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 349, 457, 544, 680, 698, 914, 1088, 1360, 1396, 1745, 1828, 2285, 2720, 2792, 3490, 3656, 4570, 5440, 5584, 5933, 6980, 7312, 7769, 9140, 11168, 11866, 13960, 14624, 15538, 18280, 22336, 23732, 27920, 29248, 29665, 31076, 36560, 38845, 47464, 55840, 59330, 62152, 73120, 77690, 94928, 111680, 118660, 124304, 146240, 155380, 159493, 189856, 237320, 248608, 310760, 318986, 379712, 474640, 497216, 621520, 637972, 797465, 949280, 1243040, 1275944, 1594930, 1898560, 2486080, 2551888, 2711381, 3189860, 5103776, 5422762, 6379720, 10207552, 10845524, 12759440, 13556905, 21691048, 25518880, 27113810, 43382096, 51037760, 54227620, 86764192, 108455240, 173528384, 216910480, 433820960, 867641920]

約数ペア:

[(1, 867641920), (2, 433820960), (4, 216910480), (5, 173528384), (8, 108455240), (10, 86764192), (16, 54227620), (17, 51037760), (20, 43382096), (32, 27113810), (34, 25518880), (40, 21691048), (64, 13556905), (68, 12759440), (80, 10845524), (85, 10207552), (136, 6379720), (160, 5422762), (170, 5103776), (272, 3189860), (320, 2711381), (340, 2551888), (349, 2486080), (457, 1898560), (544, 1594930), (680, 1275944), (698, 1243040), (914, 949280), (1088, 797465), (1360, 637972), (1396, 621520), (1745, 497216), (1828, 474640), (2285, 379712), (2720, 318986), (2792, 310760), (3490, 248608), (3656, 237320), (4570, 189856), (5440, 159493), (5584, 155380), (5933, 146240), (6980, 124304), (7312, 118660), (7769, 111680), (9140, 94928), (11168, 77690), (11866, 73120), (13960, 62152), (14624, 59330), (15538, 55840), (18280, 47464), (22336, 38845), (23732, 36560), (27920, 31076), (29248, 29665)]