72275728

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 80

約数和(自身を含む): 166060800

約数和(自身を除く): 93785072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 71, 112, 122, 142, 149, 244, 284, 298, 427, 488, 497, 568, 596, 854, 976, 994, 1043, 1136, 1192, 1708, 1988, 2086, 2384, 3416, 3976, 4172, 4331, 6832, 7952, 8344, 8662, 9089, 10579, 16688, 17324, 18178, 21158, 30317, 34648, 36356, 42316, 60634, 63623, 69296, 72712, 74053, 84632, 121268, 127246, 145424, 148106, 169264, 242536, 254492, 296212, 485072, 508984, 592424, 645319, 1017968, 1184848, 1290638, 2581276, 4517233, 5162552, 9034466, 10325104, 18068932, 36137864, 72275728]

約数ペア:

[(1, 72275728), (2, 36137864), (4, 18068932), (7, 10325104), (8, 9034466), (14, 5162552), (16, 4517233), (28, 2581276), (56, 1290638), (61, 1184848), (71, 1017968), (112, 645319), (122, 592424), (142, 508984), (149, 485072), (244, 296212), (284, 254492), (298, 242536), (427, 169264), (488, 148106), (497, 145424), (568, 127246), (596, 121268), (854, 84632), (976, 74053), (994, 72712), (1043, 69296), (1136, 63623), (1192, 60634), (1708, 42316), (1988, 36356), (2086, 34648), (2384, 30317), (3416, 21158), (3976, 18178), (4172, 17324), (4331, 16688), (6832, 10579), (7952, 9089), (8344, 8662)]