312643980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157901}}^1$

素因数の和:157927

約数の個数: 72

約数和(自身を含む): 1034573904

約数和(自身を除く): 721929924

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, 157901, 315802, 473703, 631604, 789505, 947406, 1421109, 1579010, 1736911, 1894812, 2368515, 2842218, 3158020, 3473822, 4737030, 5210733, 5684436, 6947644, 7105545, 8684555, 9474060, 10421466, 14211090, 15632199, 17369110, 20842932, 26053665, 28422180, 31264398, 34738220, 52107330, 62528796, 78160995, 104214660, 156321990, 312643980]

約数ペア:

[(1, 312643980), (2, 156321990), (3, 104214660), (4, 78160995), (5, 62528796), (6, 52107330), (9, 34738220), (10, 31264398), (11, 28422180), (12, 26053665), (15, 20842932), (18, 17369110), (20, 15632199), (22, 14211090), (30, 10421466), (33, 9474060), (36, 8684555), (44, 7105545), (45, 6947644), (55, 5684436), (60, 5210733), (66, 4737030), (90, 3473822), (99, 3158020), (110, 2842218), (132, 2368515), (165, 1894812), (180, 1736911), (198, 1579010), (220, 1421109), (330, 947406), (396, 789505), (495, 631604), (660, 473703), (990, 315802), (1980, 157901)]