79721340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{69931}}^1$

素因数の和:69962

約数の個数: 48

約数和(自身を含む): 234971520

約数和(自身を除く): 155250180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 69931, 139862, 209793, 279724, 349655, 419586, 699310, 839172, 1048965, 1328689, 1398620, 2097930, 2657378, 3986067, 4195860, 5314756, 6643445, 7972134, 13286890, 15944268, 19930335, 26573780, 39860670, 79721340]

約数ペア:

[(1, 79721340), (2, 39860670), (3, 26573780), (4, 19930335), (5, 15944268), (6, 13286890), (10, 7972134), (12, 6643445), (15, 5314756), (19, 4195860), (20, 3986067), (30, 2657378), (38, 2097930), (57, 1398620), (60, 1328689), (76, 1048965), (95, 839172), (114, 699310), (190, 419586), (228, 349655), (285, 279724), (380, 209793), (570, 139862), (1140, 69931)]