31216620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:367

約数の個数: 96

約数和(自身を含む): 93139200

約数和(自身を除く): 61922580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 139, 190, 197, 228, 278, 285, 380, 394, 417, 556, 570, 591, 695, 788, 834, 985, 1140, 1182, 1390, 1668, 1970, 2085, 2364, 2641, 2780, 2955, 3743, 3940, 4170, 5282, 5910, 7486, 7923, 8340, 10564, 11229, 11820, 13205, 14972, 15846, 18715, 22458, 26410, 27383, 31692, 37430, 39615, 44916, 52820, 54766, 56145, 74860, 79230, 82149, 109532, 112290, 136915, 158460, 164298, 224580, 273830, 328596, 410745, 520277, 547660, 821490, 1040554, 1560831, 1642980, 2081108, 2601385, 3121662, 5202770, 6243324, 7804155, 10405540, 15608310, 31216620]

約数ペア:

[(1, 31216620), (2, 15608310), (3, 10405540), (4, 7804155), (5, 6243324), (6, 5202770), (10, 3121662), (12, 2601385), (15, 2081108), (19, 1642980), (20, 1560831), (30, 1040554), (38, 821490), (57, 547660), (60, 520277), (76, 410745), (95, 328596), (114, 273830), (139, 224580), (190, 164298), (197, 158460), (228, 136915), (278, 112290), (285, 109532), (380, 82149), (394, 79230), (417, 74860), (556, 56145), (570, 54766), (591, 52820), (695, 44916), (788, 39615), (834, 37430), (985, 31692), (1140, 27383), (1182, 26410), (1390, 22458), (1668, 18715), (1970, 15846), (2085, 14972), (2364, 13205), (2641, 11820), (2780, 11229), (2955, 10564), (3743, 8340), (3940, 7923), (4170, 7486), (5282, 5910)]