31968440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 88473600

約数和(自身を除く): 56505160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 31, 35, 40, 56, 58, 62, 70, 116, 124, 127, 140, 145, 155, 203, 217, 232, 248, 254, 280, 290, 310, 406, 434, 508, 580, 620, 635, 812, 868, 889, 899, 1015, 1016, 1085, 1160, 1240, 1270, 1624, 1736, 1778, 1798, 2030, 2170, 2540, 3556, 3596, 3683, 3937, 4060, 4340, 4445, 4495, 5080, 6293, 7112, 7192, 7366, 7874, 8120, 8680, 8890, 8990, 12586, 14732, 15748, 17780, 17980, 18415, 19685, 25172, 25781, 27559, 29464, 31465, 31496, 35560, 35960, 36830, 39370, 50344, 51562, 55118, 62930, 73660, 78740, 103124, 110236, 114173, 125860, 128905, 137795, 147320, 157480, 206248, 220472, 228346, 251720, 257810, 275590, 456692, 515620, 551180, 570865, 799211, 913384, 1031240, 1102360, 1141730, 1598422, 2283460, 3196844, 3996055, 4566920, 6393688, 7992110, 15984220, 31968440]

約数ペア:

[(1, 31968440), (2, 15984220), (4, 7992110), (5, 6393688), (7, 4566920), (8, 3996055), (10, 3196844), (14, 2283460), (20, 1598422), (28, 1141730), (29, 1102360), (31, 1031240), (35, 913384), (40, 799211), (56, 570865), (58, 551180), (62, 515620), (70, 456692), (116, 275590), (124, 257810), (127, 251720), (140, 228346), (145, 220472), (155, 206248), (203, 157480), (217, 147320), (232, 137795), (248, 128905), (254, 125860), (280, 114173), (290, 110236), (310, 103124), (406, 78740), (434, 73660), (508, 62930), (580, 55118), (620, 51562), (635, 50344), (812, 39370), (868, 36830), (889, 35960), (899, 35560), (1015, 31496), (1016, 31465), (1085, 29464), (1160, 27559), (1240, 25781), (1270, 25172), (1624, 19685), (1736, 18415), (1778, 17980), (1798, 17780), (2030, 15748), (2170, 14732), (2540, 12586), (3556, 8990), (3596, 8890), (3683, 8680), (3937, 8120), (4060, 7874), (4340, 7366), (4445, 7192), (4495, 7112), (5080, 6293)]