81705150

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{5857}}^1$

素因数の和:5906

約数の個数: 72

約数和(自身を含む): 226634304

約数和(自身を除く): 144929154

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 150, 155, 186, 225, 279, 310, 450, 465, 558, 775, 930, 1395, 1550, 2325, 2790, 4650, 5857, 6975, 11714, 13950, 17571, 29285, 35142, 52713, 58570, 87855, 105426, 146425, 175710, 181567, 263565, 292850, 363134, 439275, 527130, 544701, 878550, 907835, 1089402, 1317825, 1634103, 1815670, 2635650, 2723505, 3268206, 4539175, 5447010, 8170515, 9078350, 13617525, 16341030, 27235050, 40852575, 81705150]

約数ペア:

[(1, 81705150), (2, 40852575), (3, 27235050), (5, 16341030), (6, 13617525), (9, 9078350), (10, 8170515), (15, 5447010), (18, 4539175), (25, 3268206), (30, 2723505), (31, 2635650), (45, 1815670), (50, 1634103), (62, 1317825), (75, 1089402), (90, 907835), (93, 878550), (150, 544701), (155, 527130), (186, 439275), (225, 363134), (279, 292850), (310, 263565), (450, 181567), (465, 175710), (558, 146425), (775, 105426), (930, 87855), (1395, 58570), (1550, 52713), (2325, 35142), (2790, 29285), (4650, 17571), (5857, 13950), (6975, 11714)]