81474888

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{439}}^1$

素因数の和:515

約数の個数: 128

約数和(自身を含む): 240768000

約数和(自身を除く): 159293112

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 33, 37, 38, 44, 57, 66, 74, 76, 88, 111, 114, 132, 148, 152, 209, 222, 228, 264, 296, 407, 418, 439, 444, 456, 627, 703, 814, 836, 878, 888, 1221, 1254, 1317, 1406, 1628, 1672, 1756, 2109, 2442, 2508, 2634, 2812, 3256, 3512, 4218, 4829, 4884, 5016, 5268, 5624, 7733, 8341, 8436, 9658, 9768, 10536, 14487, 15466, 16243, 16682, 16872, 19316, 23199, 25023, 28974, 30932, 32486, 33364, 38632, 46398, 48729, 50046, 57948, 61864, 64972, 66728, 91751, 92796, 97458, 100092, 115896, 129944, 178673, 183502, 185592, 194916, 200184, 275253, 308617, 357346, 367004, 389832, 536019, 550506, 617234, 714692, 734008, 925851, 1072038, 1101012, 1234468, 1429384, 1851702, 2144076, 2202024, 2468936, 3394787, 3703404, 4288152, 6789574, 7406808, 10184361, 13579148, 20368722, 27158296, 40737444, 81474888]

約数ペア:

[(1, 81474888), (2, 40737444), (3, 27158296), (4, 20368722), (6, 13579148), (8, 10184361), (11, 7406808), (12, 6789574), (19, 4288152), (22, 3703404), (24, 3394787), (33, 2468936), (37, 2202024), (38, 2144076), (44, 1851702), (57, 1429384), (66, 1234468), (74, 1101012), (76, 1072038), (88, 925851), (111, 734008), (114, 714692), (132, 617234), (148, 550506), (152, 536019), (209, 389832), (222, 367004), (228, 357346), (264, 308617), (296, 275253), (407, 200184), (418, 194916), (439, 185592), (444, 183502), (456, 178673), (627, 129944), (703, 115896), (814, 100092), (836, 97458), (878, 92796), (888, 91751), (1221, 66728), (1254, 64972), (1317, 61864), (1406, 57948), (1628, 50046), (1672, 48729), (1756, 46398), (2109, 38632), (2442, 33364), (2508, 32486), (2634, 30932), (2812, 28974), (3256, 25023), (3512, 23199), (4218, 19316), (4829, 16872), (4884, 16682), (5016, 16243), (5268, 15466), (5624, 14487), (7733, 10536), (8341, 9768), (8436, 9658)]