1907171280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{378407}}^1$

素因数の和:378433

約数の個数: 120

約数和(自身を含む): 7319924352

約数和(自身を除く): 5412753072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 378407, 756814, 1135221, 1513628, 1892035, 2270442, 2648849, 3027256, 3405663, 3784070, 4540884, 5297698, 5676105, 6054512, 6811326, 7568140, 7946547, 9081768, 10595396, 11352210, 13244245, 13622652, 15136280, 15893094, 17028315, 18163536, 21190792, 22704420, 23839641, 26488490, 27245304, 30272560, 31786188, 34056630, 39732735, 42381584, 45408840, 47679282, 52976980, 54490608, 63572376, 68113260, 79465470, 90817680, 95358564, 105953960, 119198205, 127144752, 136226520, 158930940, 190717128, 211907920, 238396410, 272453040, 317861880, 381434256, 476792820, 635723760, 953585640, 1907171280]

約数ペア:

[(1, 1907171280), (2, 953585640), (3, 635723760), (4, 476792820), (5, 381434256), (6, 317861880), (7, 272453040), (8, 238396410), (9, 211907920), (10, 190717128), (12, 158930940), (14, 136226520), (15, 127144752), (16, 119198205), (18, 105953960), (20, 95358564), (21, 90817680), (24, 79465470), (28, 68113260), (30, 63572376), (35, 54490608), (36, 52976980), (40, 47679282), (42, 45408840), (45, 42381584), (48, 39732735), (56, 34056630), (60, 31786188), (63, 30272560), (70, 27245304), (72, 26488490), (80, 23839641), (84, 22704420), (90, 21190792), (105, 18163536), (112, 17028315), (120, 15893094), (126, 15136280), (140, 13622652), (144, 13244245), (168, 11352210), (180, 10595396), (210, 9081768), (240, 7946547), (252, 7568140), (280, 6811326), (315, 6054512), (336, 5676105), (360, 5297698), (420, 4540884), (504, 3784070), (560, 3405663), (630, 3027256), (720, 2648849), (840, 2270442), (1008, 1892035), (1260, 1513628), (1680, 1135221), (2520, 756814), (5040, 378407)]