268841920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:750

約数の個数: 112

約数和(自身を含む): 677972736

約数和(自身を除く): 409130816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 155, 160, 164, 205, 248, 310, 320, 328, 410, 496, 620, 656, 661, 820, 992, 1240, 1271, 1312, 1322, 1640, 1984, 2480, 2542, 2624, 2644, 3280, 3305, 4960, 5084, 5288, 6355, 6560, 6610, 9920, 10168, 10576, 12710, 13120, 13220, 20336, 20491, 21152, 25420, 26440, 27101, 40672, 40982, 42304, 50840, 52880, 54202, 81344, 81964, 101680, 102455, 105760, 108404, 135505, 163928, 203360, 204910, 211520, 216808, 271010, 327856, 406720, 409820, 433616, 542020, 655712, 819640, 840131, 867232, 1084040, 1311424, 1639280, 1680262, 1734464, 2168080, 3278560, 3360524, 4200655, 4336160, 6557120, 6721048, 8401310, 8672320, 13442096, 16802620, 26884192, 33605240, 53768384, 67210480, 134420960, 268841920]

約数ペア:

[(1, 268841920), (2, 134420960), (4, 67210480), (5, 53768384), (8, 33605240), (10, 26884192), (16, 16802620), (20, 13442096), (31, 8672320), (32, 8401310), (40, 6721048), (41, 6557120), (62, 4336160), (64, 4200655), (80, 3360524), (82, 3278560), (124, 2168080), (155, 1734464), (160, 1680262), (164, 1639280), (205, 1311424), (248, 1084040), (310, 867232), (320, 840131), (328, 819640), (410, 655712), (496, 542020), (620, 433616), (656, 409820), (661, 406720), (820, 327856), (992, 271010), (1240, 216808), (1271, 211520), (1312, 204910), (1322, 203360), (1640, 163928), (1984, 135505), (2480, 108404), (2542, 105760), (2624, 102455), (2644, 101680), (3280, 81964), (3305, 81344), (4960, 54202), (5084, 52880), (5288, 50840), (6355, 42304), (6560, 40982), (6610, 40672), (9920, 27101), (10168, 26440), (10576, 25420), (12710, 21152), (13120, 20491), (13220, 20336)]