154812420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{122867}}^1$

素因数の和:122889

約数の個数: 72

約数和(自身を含む): 536687424

約数和(自身を除く): 381875004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 122867, 245734, 368601, 491468, 614335, 737202, 860069, 1105803, 1228670, 1474404, 1720138, 1843005, 2211606, 2457340, 2580207, 3440276, 3686010, 4300345, 4423212, 5160414, 5529015, 7372020, 7740621, 8600690, 10320828, 11058030, 12901035, 15481242, 17201380, 22116060, 25802070, 30962484, 38703105, 51604140, 77406210, 154812420]

約数ペア:

[(1, 154812420), (2, 77406210), (3, 51604140), (4, 38703105), (5, 30962484), (6, 25802070), (7, 22116060), (9, 17201380), (10, 15481242), (12, 12901035), (14, 11058030), (15, 10320828), (18, 8600690), (20, 7740621), (21, 7372020), (28, 5529015), (30, 5160414), (35, 4423212), (36, 4300345), (42, 3686010), (45, 3440276), (60, 2580207), (63, 2457340), (70, 2211606), (84, 1843005), (90, 1720138), (105, 1474404), (126, 1228670), (140, 1105803), (180, 860069), (210, 737202), (252, 614335), (315, 491468), (420, 368601), (630, 245734), (1260, 122867)]