72707072

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 88

約数和(自身を含む): 158683440

約数和(自身を除く): 85976368

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 101, 128, 148, 152, 202, 256, 296, 304, 404, 512, 592, 608, 703, 808, 1024, 1184, 1216, 1406, 1616, 1919, 2368, 2432, 2812, 3232, 3737, 3838, 4736, 4864, 5624, 6464, 7474, 7676, 9472, 9728, 11248, 12928, 14948, 15352, 18944, 19456, 22496, 25856, 29896, 30704, 37888, 44992, 51712, 59792, 61408, 71003, 89984, 103424, 119584, 122816, 142006, 179968, 239168, 245632, 284012, 359936, 478336, 491264, 568024, 719872, 956672, 982528, 1136048, 1913344, 1965056, 2272096, 3826688, 4544192, 9088384, 18176768, 36353536, 72707072]

約数ペア:

[(1, 72707072), (2, 36353536), (4, 18176768), (8, 9088384), (16, 4544192), (19, 3826688), (32, 2272096), (37, 1965056), (38, 1913344), (64, 1136048), (74, 982528), (76, 956672), (101, 719872), (128, 568024), (148, 491264), (152, 478336), (202, 359936), (256, 284012), (296, 245632), (304, 239168), (404, 179968), (512, 142006), (592, 122816), (608, 119584), (703, 103424), (808, 89984), (1024, 71003), (1184, 61408), (1216, 59792), (1406, 51712), (1616, 44992), (1919, 37888), (2368, 30704), (2432, 29896), (2812, 25856), (3232, 22496), (3737, 19456), (3838, 18944), (4736, 15352), (4864, 14948), (5624, 12928), (6464, 11248), (7474, 9728), (7676, 9472)]