123152080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1091}}^1$

素因数の和:1204

約数の個数: 80

約数和(自身を含む): 307105344

約数和(自身を除く): 183953264

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 166, 170, 272, 332, 340, 415, 664, 680, 830, 1091, 1328, 1360, 1411, 1660, 2182, 2822, 3320, 4364, 5455, 5644, 6640, 7055, 8728, 10910, 11288, 14110, 17456, 18547, 21820, 22576, 28220, 37094, 43640, 56440, 74188, 87280, 90553, 92735, 112880, 148376, 181106, 185470, 296752, 362212, 370940, 452765, 724424, 741880, 905530, 1448848, 1483760, 1539401, 1811060, 3078802, 3622120, 6157604, 7244240, 7697005, 12315208, 15394010, 24630416, 30788020, 61576040, 123152080]

約数ペア:

[(1, 123152080), (2, 61576040), (4, 30788020), (5, 24630416), (8, 15394010), (10, 12315208), (16, 7697005), (17, 7244240), (20, 6157604), (34, 3622120), (40, 3078802), (68, 1811060), (80, 1539401), (83, 1483760), (85, 1448848), (136, 905530), (166, 741880), (170, 724424), (272, 452765), (332, 370940), (340, 362212), (415, 296752), (664, 185470), (680, 181106), (830, 148376), (1091, 112880), (1328, 92735), (1360, 90553), (1411, 87280), (1660, 74188), (2182, 56440), (2822, 43640), (3320, 37094), (4364, 28220), (5455, 22576), (5644, 21820), (6640, 18547), (7055, 17456), (8728, 14110), (10910, 11288)]