68574420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20051}}^1$

素因数の和:20085

約数の個数: 72

約数和(自身を含む): 218967840

約数和(自身を除く): 150393420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 20051, 40102, 60153, 80204, 100255, 120306, 180459, 200510, 240612, 300765, 360918, 380969, 401020, 601530, 721836, 761938, 902295, 1142907, 1203060, 1523876, 1804590, 1904845, 2285814, 3428721, 3609180, 3809690, 4571628, 5714535, 6857442, 7619380, 11429070, 13714884, 17143605, 22858140, 34287210, 68574420]

約数ペア:

[(1, 68574420), (2, 34287210), (3, 22858140), (4, 17143605), (5, 13714884), (6, 11429070), (9, 7619380), (10, 6857442), (12, 5714535), (15, 4571628), (18, 3809690), (19, 3609180), (20, 3428721), (30, 2285814), (36, 1904845), (38, 1804590), (45, 1523876), (57, 1203060), (60, 1142907), (76, 902295), (90, 761938), (95, 721836), (114, 601530), (171, 401020), (180, 380969), (190, 360918), (228, 300765), (285, 240612), (342, 200510), (380, 180459), (570, 120306), (684, 100255), (855, 80204), (1140, 60153), (1710, 40102), (3420, 20051)]