16661080

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 39657600

約数和(自身を除く): 22996520

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 53, 58, 106, 116, 145, 212, 232, 265, 271, 290, 424, 530, 542, 580, 1060, 1084, 1160, 1355, 1537, 2120, 2168, 2710, 3074, 5420, 6148, 7685, 7859, 10840, 12296, 14363, 15370, 15718, 28726, 30740, 31436, 39295, 57452, 61480, 62872, 71815, 78590, 114904, 143630, 157180, 287260, 314360, 416527, 574520, 833054, 1666108, 2082635, 3332216, 4165270, 8330540, 16661080]

約数ペア:

[(1, 16661080), (2, 8330540), (4, 4165270), (5, 3332216), (8, 2082635), (10, 1666108), (20, 833054), (29, 574520), (40, 416527), (53, 314360), (58, 287260), (106, 157180), (116, 143630), (145, 114904), (212, 78590), (232, 71815), (265, 62872), (271, 61480), (290, 57452), (424, 39295), (530, 31436), (542, 30740), (580, 28726), (1060, 15718), (1084, 15370), (1160, 14363), (1355, 12296), (1537, 10840), (2120, 7859), (2168, 7685), (2710, 6148), (3074, 5420)]