1805996720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{9203}}^1$

素因数の和:9450

約数の個数: 80

約数和(自身を含む): 4601705472

約数和(自身を除く): 2795708752

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 223, 440, 446, 880, 892, 1115, 1784, 2230, 2453, 3568, 4460, 4906, 8920, 9203, 9812, 12265, 17840, 18406, 19624, 24530, 36812, 39248, 46015, 49060, 73624, 92030, 98120, 101233, 147248, 184060, 196240, 202466, 368120, 404932, 506165, 736240, 809864, 1012330, 1619728, 2024660, 2052269, 4049320, 4104538, 8098640, 8209076, 10261345, 16418152, 20522690, 22574959, 32836304, 41045380, 45149918, 82090760, 90299836, 112874795, 164181520, 180599672, 225749590, 361199344, 451499180, 902998360, 1805996720]

約数ペア:

[(1, 1805996720), (2, 902998360), (4, 451499180), (5, 361199344), (8, 225749590), (10, 180599672), (11, 164181520), (16, 112874795), (20, 90299836), (22, 82090760), (40, 45149918), (44, 41045380), (55, 32836304), (80, 22574959), (88, 20522690), (110, 16418152), (176, 10261345), (220, 8209076), (223, 8098640), (440, 4104538), (446, 4049320), (880, 2052269), (892, 2024660), (1115, 1619728), (1784, 1012330), (2230, 809864), (2453, 736240), (3568, 506165), (4460, 404932), (4906, 368120), (8920, 202466), (9203, 196240), (9812, 184060), (12265, 147248), (17840, 101233), (18406, 98120), (19624, 92030), (24530, 73624), (36812, 49060), (39248, 46015)]