887187780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{4493}}^1$

素因数の和:5605

約数の個数: 72

約数和(自身を含む): 2694188952

約数和(自身を除く): 1807001172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1097, 2194, 3291, 4388, 4493, 5485, 6582, 8986, 9873, 10970, 13164, 13479, 16455, 17972, 19746, 21940, 22465, 26958, 32910, 39492, 40437, 44930, 49365, 53916, 65820, 67395, 80874, 89860, 98730, 134790, 161748, 197460, 202185, 269580, 404370, 808740, 4928821, 9857642, 14786463, 19715284, 24644105, 29572926, 44359389, 49288210, 59145852, 73932315, 88718778, 98576420, 147864630, 177437556, 221796945, 295729260, 443593890, 887187780]

約数ペア:

[(1, 887187780), (2, 443593890), (3, 295729260), (4, 221796945), (5, 177437556), (6, 147864630), (9, 98576420), (10, 88718778), (12, 73932315), (15, 59145852), (18, 49288210), (20, 44359389), (30, 29572926), (36, 24644105), (45, 19715284), (60, 14786463), (90, 9857642), (180, 4928821), (1097, 808740), (2194, 404370), (3291, 269580), (4388, 202185), (4493, 197460), (5485, 161748), (6582, 134790), (8986, 98730), (9873, 89860), (10970, 80874), (13164, 67395), (13479, 65820), (16455, 53916), (17972, 49365), (19746, 44930), (21940, 40437), (22465, 39492), (26958, 32910)]