81698520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11161}}^1$

素因数の和:11236

約数の個数: 64

約数和(自身を含む): 249135840

約数和(自身を除く): 167437320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 11161, 22322, 33483, 44644, 55805, 66966, 89288, 111610, 133932, 167415, 223220, 267864, 334830, 446440, 669660, 680821, 1339320, 1361642, 2042463, 2723284, 3404105, 4084926, 5446568, 6808210, 8169852, 10212315, 13616420, 16339704, 20424630, 27232840, 40849260, 81698520]

約数ペア:

[(1, 81698520), (2, 40849260), (3, 27232840), (4, 20424630), (5, 16339704), (6, 13616420), (8, 10212315), (10, 8169852), (12, 6808210), (15, 5446568), (20, 4084926), (24, 3404105), (30, 2723284), (40, 2042463), (60, 1361642), (61, 1339320), (120, 680821), (122, 669660), (183, 446440), (244, 334830), (305, 267864), (366, 223220), (488, 167415), (610, 133932), (732, 111610), (915, 89288), (1220, 66966), (1464, 55805), (1830, 44644), (2440, 33483), (3660, 22322), (7320, 11161)]