81670740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2311}}^1$

素因数の和:2373

約数の個数: 96

約数和(自身を含む): 248586240

約数和(自身を除く): 166915500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 620, 930, 1140, 1178, 1767, 1860, 2311, 2356, 2945, 3534, 4622, 5890, 6933, 7068, 8835, 9244, 11555, 11780, 13866, 17670, 23110, 27732, 34665, 35340, 43909, 46220, 69330, 71641, 87818, 131727, 138660, 143282, 175636, 214923, 219545, 263454, 286564, 358205, 429846, 439090, 526908, 658635, 716410, 859692, 878180, 1074615, 1317270, 1361179, 1432820, 2149230, 2634540, 2722358, 4083537, 4298460, 5444716, 6805895, 8167074, 13611790, 16334148, 20417685, 27223580, 40835370, 81670740]

約数ペア:

[(1, 81670740), (2, 40835370), (3, 27223580), (4, 20417685), (5, 16334148), (6, 13611790), (10, 8167074), (12, 6805895), (15, 5444716), (19, 4298460), (20, 4083537), (30, 2722358), (31, 2634540), (38, 2149230), (57, 1432820), (60, 1361179), (62, 1317270), (76, 1074615), (93, 878180), (95, 859692), (114, 716410), (124, 658635), (155, 526908), (186, 439090), (190, 429846), (228, 358205), (285, 286564), (310, 263454), (372, 219545), (380, 214923), (465, 175636), (570, 143282), (589, 138660), (620, 131727), (930, 87818), (1140, 71641), (1178, 69330), (1767, 46220), (1860, 43909), (2311, 35340), (2356, 34665), (2945, 27732), (3534, 23110), (4622, 17670), (5890, 13866), (6933, 11780), (7068, 11555), (8835, 9244)]