159407720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1531}}^1$

素因数の和:1698

約数の個数: 64

約数和(自身を含む): 380548800

約数和(自身を除く): 221141080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 137, 152, 190, 274, 380, 548, 685, 760, 1096, 1370, 1531, 2603, 2740, 3062, 5206, 5480, 6124, 7655, 10412, 12248, 13015, 15310, 20824, 26030, 29089, 30620, 52060, 58178, 61240, 104120, 116356, 145445, 209747, 232712, 290890, 419494, 581780, 838988, 1048735, 1163560, 1677976, 2097470, 3985193, 4194940, 7970386, 8389880, 15940772, 19925965, 31881544, 39851930, 79703860, 159407720]

約数ペア:

[(1, 159407720), (2, 79703860), (4, 39851930), (5, 31881544), (8, 19925965), (10, 15940772), (19, 8389880), (20, 7970386), (38, 4194940), (40, 3985193), (76, 2097470), (95, 1677976), (137, 1163560), (152, 1048735), (190, 838988), (274, 581780), (380, 419494), (548, 290890), (685, 232712), (760, 209747), (1096, 145445), (1370, 116356), (1531, 104120), (2603, 61240), (2740, 58178), (3062, 52060), (5206, 30620), (5480, 29089), (6124, 26030), (7655, 20824), (10412, 15310), (12248, 13015)]