129800720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7477}}^1$

素因数の和:7528

約数の個数: 80

約数和(自身を含む): 356072448

約数和(自身を除く): 226271728

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 7477, 8680, 14954, 17360, 29908, 37385, 52339, 59816, 74770, 104678, 119632, 149540, 209356, 231787, 261695, 299080, 418712, 463574, 523390, 598160, 837424, 927148, 1046780, 1158935, 1622509, 1854296, 2093560, 2317870, 3245018, 3708592, 4187120, 4635740, 6490036, 8112545, 9271480, 12980072, 16225090, 18542960, 25960144, 32450180, 64900360, 129800720]

約数ペア:

[(1, 129800720), (2, 64900360), (4, 32450180), (5, 25960144), (7, 18542960), (8, 16225090), (10, 12980072), (14, 9271480), (16, 8112545), (20, 6490036), (28, 4635740), (31, 4187120), (35, 3708592), (40, 3245018), (56, 2317870), (62, 2093560), (70, 1854296), (80, 1622509), (112, 1158935), (124, 1046780), (140, 927148), (155, 837424), (217, 598160), (248, 523390), (280, 463574), (310, 418712), (434, 299080), (496, 261695), (560, 231787), (620, 209356), (868, 149540), (1085, 119632), (1240, 104678), (1736, 74770), (2170, 59816), (2480, 52339), (3472, 37385), (4340, 29908), (7477, 17360), (8680, 14954)]