40628340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1723}}^1$

素因数の和:1869

約数の個数: 72

約数和(自身を含む): 124252128

約数和(自身を除く): 83623788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1723, 1965, 2358, 2620, 3446, 3930, 4716, 5169, 5895, 6892, 7860, 8615, 10338, 11790, 15507, 17230, 20676, 23580, 25845, 31014, 34460, 51690, 62028, 77535, 103380, 155070, 225713, 310140, 451426, 677139, 902852, 1128565, 1354278, 2031417, 2257130, 2708556, 3385695, 4062834, 4514260, 6771390, 8125668, 10157085, 13542780, 20314170, 40628340]

約数ペア:

[(1, 40628340), (2, 20314170), (3, 13542780), (4, 10157085), (5, 8125668), (6, 6771390), (9, 4514260), (10, 4062834), (12, 3385695), (15, 2708556), (18, 2257130), (20, 2031417), (30, 1354278), (36, 1128565), (45, 902852), (60, 677139), (90, 451426), (131, 310140), (180, 225713), (262, 155070), (393, 103380), (524, 77535), (655, 62028), (786, 51690), (1179, 34460), (1310, 31014), (1572, 25845), (1723, 23580), (1965, 20676), (2358, 17230), (2620, 15507), (3446, 11790), (3930, 10338), (4716, 8615), (5169, 7860), (5895, 6892)]