81821070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4523}}^1$

素因数の和:4606

約数の個数: 64

約数和(自身を含む): 221495040

約数和(自身を除く): 139673970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 67, 90, 134, 135, 201, 270, 335, 402, 603, 670, 1005, 1206, 1809, 2010, 3015, 3618, 4523, 6030, 9045, 9046, 13569, 18090, 22615, 27138, 40707, 45230, 67845, 81414, 122121, 135690, 203535, 244242, 303041, 407070, 606082, 610605, 909123, 1221210, 1515205, 1818246, 2727369, 3030410, 4545615, 5454738, 8182107, 9091230, 13636845, 16364214, 27273690, 40910535, 81821070]

約数ペア:

[(1, 81821070), (2, 40910535), (3, 27273690), (5, 16364214), (6, 13636845), (9, 9091230), (10, 8182107), (15, 5454738), (18, 4545615), (27, 3030410), (30, 2727369), (45, 1818246), (54, 1515205), (67, 1221210), (90, 909123), (134, 610605), (135, 606082), (201, 407070), (270, 303041), (335, 244242), (402, 203535), (603, 135690), (670, 122121), (1005, 81414), (1206, 67845), (1809, 45230), (2010, 40707), (3015, 27138), (3618, 22615), (4523, 18090), (6030, 13569), (9045, 9046)]