40239540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20323}}^1$

素因数の和:20349

約数の個数: 72

約数和(自身を含む): 133162848

約数和(自身を除く): 92923308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 20323, 40646, 60969, 81292, 101615, 121938, 182907, 203230, 223553, 243876, 304845, 365814, 406460, 447106, 609690, 670659, 731628, 894212, 914535, 1117765, 1219380, 1341318, 1829070, 2011977, 2235530, 2682636, 3353295, 3658140, 4023954, 4471060, 6706590, 8047908, 10059885, 13413180, 20119770, 40239540]

約数ペア:

[(1, 40239540), (2, 20119770), (3, 13413180), (4, 10059885), (5, 8047908), (6, 6706590), (9, 4471060), (10, 4023954), (11, 3658140), (12, 3353295), (15, 2682636), (18, 2235530), (20, 2011977), (22, 1829070), (30, 1341318), (33, 1219380), (36, 1117765), (44, 914535), (45, 894212), (55, 731628), (60, 670659), (66, 609690), (90, 447106), (99, 406460), (110, 365814), (132, 304845), (165, 243876), (180, 223553), (198, 203230), (220, 182907), (330, 121938), (396, 101615), (495, 81292), (660, 60969), (990, 40646), (1980, 20323)]