247231320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3307}}^1$

素因数の和:3417

約数の個数: 128

約数和(自身を含む): 857433600

約数和(自身を除く): 610202280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1780, 1869, 2136, 2492, 2670, 3115, 3307, 3560, 3738, 4984, 5340, 6230, 6614, 7476, 9345, 9921, 10680, 12460, 13228, 14952, 16535, 18690, 19842, 23149, 24920, 26456, 33070, 37380, 39684, 46298, 49605, 66140, 69447, 74760, 79368, 92596, 99210, 115745, 132280, 138894, 185192, 198420, 231490, 277788, 294323, 347235, 396840, 462980, 555576, 588646, 694470, 882969, 925960, 1177292, 1388940, 1471615, 1765938, 2060261, 2354584, 2777880, 2943230, 3531876, 4120522, 4414845, 5886460, 6180783, 7063752, 8241044, 8829690, 10301305, 11772920, 12361566, 16482088, 17659380, 20602610, 24723132, 30903915, 35318760, 41205220, 49446264, 61807830, 82410440, 123615660, 247231320]

約数ペア:

[(1, 247231320), (2, 123615660), (3, 82410440), (4, 61807830), (5, 49446264), (6, 41205220), (7, 35318760), (8, 30903915), (10, 24723132), (12, 20602610), (14, 17659380), (15, 16482088), (20, 12361566), (21, 11772920), (24, 10301305), (28, 8829690), (30, 8241044), (35, 7063752), (40, 6180783), (42, 5886460), (56, 4414845), (60, 4120522), (70, 3531876), (84, 2943230), (89, 2777880), (105, 2354584), (120, 2060261), (140, 1765938), (168, 1471615), (178, 1388940), (210, 1177292), (267, 925960), (280, 882969), (356, 694470), (420, 588646), (445, 555576), (534, 462980), (623, 396840), (712, 347235), (840, 294323), (890, 277788), (1068, 231490), (1246, 198420), (1335, 185192), (1780, 138894), (1869, 132280), (2136, 115745), (2492, 99210), (2670, 92596), (3115, 79368), (3307, 74760), (3560, 69447), (3738, 66140), (4984, 49605), (5340, 46298), (6230, 39684), (6614, 37380), (7476, 33070), (9345, 26456), (9921, 24920), (10680, 23149), (12460, 19842), (13228, 18690), (14952, 16535)]