81216032

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 72

約数和(自身を含む): 175165200

約数和(自身を除く): 93949168

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 139, 152, 248, 278, 304, 496, 556, 589, 608, 961, 992, 1112, 1178, 1922, 2224, 2356, 2641, 3844, 4309, 4448, 4712, 5282, 7688, 8618, 9424, 10564, 15376, 17236, 18259, 18848, 21128, 30752, 34472, 36518, 42256, 68944, 73036, 81871, 84512, 133579, 137888, 146072, 163742, 267158, 292144, 327484, 534316, 584288, 654968, 1068632, 1309936, 2137264, 2538001, 2619872, 4274528, 5076002, 10152004, 20304008, 40608016, 81216032]

約数ペア:

[(1, 81216032), (2, 40608016), (4, 20304008), (8, 10152004), (16, 5076002), (19, 4274528), (31, 2619872), (32, 2538001), (38, 2137264), (62, 1309936), (76, 1068632), (124, 654968), (139, 584288), (152, 534316), (248, 327484), (278, 292144), (304, 267158), (496, 163742), (556, 146072), (589, 137888), (608, 133579), (961, 84512), (992, 81871), (1112, 73036), (1178, 68944), (1922, 42256), (2224, 36518), (2356, 34472), (2641, 30752), (3844, 21128), (4309, 18848), (4448, 18259), (4712, 17236), (5282, 15376), (7688, 10564), (8618, 9424)]