280744308

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:614

約数の個数: 144

約数和(自身を含む): 811772416

約数和(自身を除く): 531028108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 37, 39, 52, 62, 74, 78, 93, 111, 117, 124, 148, 156, 186, 222, 234, 279, 333, 372, 403, 444, 468, 481, 523, 558, 666, 806, 962, 1046, 1116, 1147, 1209, 1332, 1443, 1569, 1612, 1924, 2092, 2294, 2418, 2886, 3138, 3441, 3627, 4329, 4588, 4707, 4836, 5772, 6276, 6799, 6882, 7254, 8658, 9414, 10323, 13598, 13764, 14508, 14911, 16213, 17316, 18828, 19351, 20397, 20646, 27196, 29822, 32426, 38702, 40794, 41292, 44733, 48639, 58053, 59644, 61191, 64852, 77404, 81588, 89466, 97278, 116106, 122382, 134199, 145917, 174159, 178932, 194556, 210769, 232212, 244764, 251563, 268398, 291834, 348318, 421538, 503126, 536796, 583668, 599881, 632307, 696636, 754689, 843076, 1006252, 1199762, 1264614, 1509378, 1799643, 1896921, 2264067, 2399524, 2529228, 3018756, 3599286, 3793842, 4528134, 5398929, 7198572, 7587684, 7798453, 9056268, 10797858, 15596906, 21595716, 23395359, 31193812, 46790718, 70186077, 93581436, 140372154, 280744308]

約数ペア:

[(1, 280744308), (2, 140372154), (3, 93581436), (4, 70186077), (6, 46790718), (9, 31193812), (12, 23395359), (13, 21595716), (18, 15596906), (26, 10797858), (31, 9056268), (36, 7798453), (37, 7587684), (39, 7198572), (52, 5398929), (62, 4528134), (74, 3793842), (78, 3599286), (93, 3018756), (111, 2529228), (117, 2399524), (124, 2264067), (148, 1896921), (156, 1799643), (186, 1509378), (222, 1264614), (234, 1199762), (279, 1006252), (333, 843076), (372, 754689), (403, 696636), (444, 632307), (468, 599881), (481, 583668), (523, 536796), (558, 503126), (666, 421538), (806, 348318), (962, 291834), (1046, 268398), (1116, 251563), (1147, 244764), (1209, 232212), (1332, 210769), (1443, 194556), (1569, 178932), (1612, 174159), (1924, 145917), (2092, 134199), (2294, 122382), (2418, 116106), (2886, 97278), (3138, 89466), (3441, 81588), (3627, 77404), (4329, 64852), (4588, 61191), (4707, 59644), (4836, 58053), (5772, 48639), (6276, 44733), (6799, 41292), (6882, 40794), (7254, 38702), (8658, 32426), (9414, 29822), (10323, 27196), (13598, 20646), (13764, 20397), (14508, 19351), (14911, 18828), (16213, 17316)]