2018127680

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{823}}^1$

素因数の和:1016

約数の個数: 112

約数和(自身を含む): 4922641920

約数和(自身を除く): 2904514240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 97, 158, 160, 194, 316, 320, 388, 395, 485, 632, 776, 790, 823, 970, 1264, 1552, 1580, 1646, 1940, 2528, 3104, 3160, 3292, 3880, 4115, 5056, 6208, 6320, 6584, 7663, 7760, 8230, 12640, 13168, 15326, 15520, 16460, 25280, 26336, 30652, 31040, 32920, 38315, 52672, 61304, 65017, 65840, 76630, 79831, 122608, 130034, 131680, 153260, 159662, 245216, 260068, 263360, 306520, 319324, 325085, 399155, 490432, 520136, 613040, 638648, 650170, 798310, 1040272, 1226080, 1277296, 1300340, 1596620, 2080544, 2452160, 2554592, 2600680, 3193240, 4161088, 5109184, 5201360, 6306649, 6386480, 10402720, 12613298, 12772960, 20805440, 25226596, 25545920, 31533245, 50453192, 63066490, 100906384, 126132980, 201812768, 252265960, 403625536, 504531920, 1009063840, 2018127680]

約数ペア:

[(1, 2018127680), (2, 1009063840), (4, 504531920), (5, 403625536), (8, 252265960), (10, 201812768), (16, 126132980), (20, 100906384), (32, 63066490), (40, 50453192), (64, 31533245), (79, 25545920), (80, 25226596), (97, 20805440), (158, 12772960), (160, 12613298), (194, 10402720), (316, 6386480), (320, 6306649), (388, 5201360), (395, 5109184), (485, 4161088), (632, 3193240), (776, 2600680), (790, 2554592), (823, 2452160), (970, 2080544), (1264, 1596620), (1552, 1300340), (1580, 1277296), (1646, 1226080), (1940, 1040272), (2528, 798310), (3104, 650170), (3160, 638648), (3292, 613040), (3880, 520136), (4115, 490432), (5056, 399155), (6208, 325085), (6320, 319324), (6584, 306520), (7663, 263360), (7760, 260068), (8230, 245216), (12640, 159662), (13168, 153260), (15326, 131680), (15520, 130034), (16460, 122608), (25280, 79831), (26336, 76630), (30652, 65840), (31040, 65017), (32920, 61304), (38315, 52672)]