742972040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{1669}}^1$

素因数の和:2070

約数の個数: 64

約数和(自身を含む): 1731456000

約数和(自身を除く): 988483960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 359, 620, 718, 1240, 1436, 1669, 1795, 2872, 3338, 3590, 6676, 7180, 8345, 11129, 13352, 14360, 16690, 22258, 33380, 44516, 51739, 55645, 66760, 89032, 103478, 111290, 206956, 222580, 258695, 413912, 445160, 517390, 599171, 1034780, 1198342, 2069560, 2396684, 2995855, 4793368, 5991710, 11983420, 18574301, 23966840, 37148602, 74297204, 92871505, 148594408, 185743010, 371486020, 742972040]

約数ペア:

[(1, 742972040), (2, 371486020), (4, 185743010), (5, 148594408), (8, 92871505), (10, 74297204), (20, 37148602), (31, 23966840), (40, 18574301), (62, 11983420), (124, 5991710), (155, 4793368), (248, 2995855), (310, 2396684), (359, 2069560), (620, 1198342), (718, 1034780), (1240, 599171), (1436, 517390), (1669, 445160), (1795, 413912), (2872, 258695), (3338, 222580), (3590, 206956), (6676, 111290), (7180, 103478), (8345, 89032), (11129, 66760), (13352, 55645), (14360, 51739), (16690, 44516), (22258, 33380)]