67210480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 80

約数和(自身を含む): 165489408

約数和(自身を除く): 98278928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 661, 820, 1240, 1271, 1322, 1640, 2480, 2542, 2644, 3280, 3305, 5084, 5288, 6355, 6610, 10168, 10576, 12710, 13220, 20336, 20491, 25420, 26440, 27101, 40982, 50840, 52880, 54202, 81964, 101680, 102455, 108404, 135505, 163928, 204910, 216808, 271010, 327856, 409820, 433616, 542020, 819640, 840131, 1084040, 1639280, 1680262, 2168080, 3360524, 4200655, 6721048, 8401310, 13442096, 16802620, 33605240, 67210480]

約数ペア:

[(1, 67210480), (2, 33605240), (4, 16802620), (5, 13442096), (8, 8401310), (10, 6721048), (16, 4200655), (20, 3360524), (31, 2168080), (40, 1680262), (41, 1639280), (62, 1084040), (80, 840131), (82, 819640), (124, 542020), (155, 433616), (164, 409820), (205, 327856), (248, 271010), (310, 216808), (328, 204910), (410, 163928), (496, 135505), (620, 108404), (656, 102455), (661, 101680), (820, 81964), (1240, 54202), (1271, 52880), (1322, 50840), (1640, 40982), (2480, 27101), (2542, 26440), (2644, 25420), (3280, 20491), (3305, 20336), (5084, 13220), (5288, 12710), (6355, 10576), (6610, 10168)]