16789228720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{84047}}^1$

素因数の和:84298

約数の個数: 80

約数和(自身を含む): 42771691008

約数和(自身を除く): 25982462288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 227, 440, 454, 880, 908, 1135, 1816, 2270, 2497, 3632, 4540, 4994, 9080, 9988, 12485, 18160, 19976, 24970, 39952, 49940, 84047, 99880, 168094, 199760, 336188, 420235, 672376, 840470, 924517, 1344752, 1680940, 1849034, 3361880, 3698068, 4622585, 6723760, 7396136, 9245170, 14792272, 18490340, 19078669, 36980680, 38157338, 73961360, 76314676, 95393345, 152629352, 190786690, 209865359, 305258704, 381573380, 419730718, 763146760, 839461436, 1049326795, 1526293520, 1678922872, 2098653590, 3357845744, 4197307180, 8394614360, 16789228720]

約数ペア:

[(1, 16789228720), (2, 8394614360), (4, 4197307180), (5, 3357845744), (8, 2098653590), (10, 1678922872), (11, 1526293520), (16, 1049326795), (20, 839461436), (22, 763146760), (40, 419730718), (44, 381573380), (55, 305258704), (80, 209865359), (88, 190786690), (110, 152629352), (176, 95393345), (220, 76314676), (227, 73961360), (440, 38157338), (454, 36980680), (880, 19078669), (908, 18490340), (1135, 14792272), (1816, 9245170), (2270, 7396136), (2497, 6723760), (3632, 4622585), (4540, 3698068), (4994, 3361880), (9080, 1849034), (9988, 1680940), (12485, 1344752), (18160, 924517), (19976, 840470), (24970, 672376), (39952, 420235), (49940, 336188), (84047, 199760), (99880, 168094)]