71709820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:132

約数の個数: 144

約数和(自身を含む): 196185024

約数和(自身を除く): 124475204

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 41, 52, 62, 65, 70, 82, 91, 124, 130, 140, 155, 164, 182, 205, 217, 260, 287, 310, 364, 403, 410, 434, 455, 533, 574, 620, 806, 820, 868, 910, 961, 1066, 1085, 1148, 1271, 1435, 1612, 1820, 1922, 2015, 2132, 2170, 2542, 2665, 2821, 2870, 3731, 3844, 4030, 4340, 4805, 5084, 5330, 5642, 5740, 6355, 6727, 7462, 8060, 8897, 9610, 10660, 11284, 12493, 12710, 13454, 14105, 14924, 16523, 17794, 18655, 19220, 24986, 25420, 26908, 28210, 33046, 33635, 35588, 37310, 39401, 44485, 49972, 56420, 62465, 66092, 67270, 74620, 78802, 82615, 87451, 88970, 115661, 124930, 134540, 157604, 165230, 174902, 177940, 197005, 231322, 249860, 275807, 330460, 349804, 394010, 437255, 462644, 512213, 551614, 578305, 788020, 874510, 1024426, 1103228, 1156610, 1379035, 1749020, 2048852, 2313220, 2561065, 2758070, 3585491, 5122130, 5516140, 7170982, 10244260, 14341964, 17927455, 35854910, 71709820]

約数ペア:

[(1, 71709820), (2, 35854910), (4, 17927455), (5, 14341964), (7, 10244260), (10, 7170982), (13, 5516140), (14, 5122130), (20, 3585491), (26, 2758070), (28, 2561065), (31, 2313220), (35, 2048852), (41, 1749020), (52, 1379035), (62, 1156610), (65, 1103228), (70, 1024426), (82, 874510), (91, 788020), (124, 578305), (130, 551614), (140, 512213), (155, 462644), (164, 437255), (182, 394010), (205, 349804), (217, 330460), (260, 275807), (287, 249860), (310, 231322), (364, 197005), (403, 177940), (410, 174902), (434, 165230), (455, 157604), (533, 134540), (574, 124930), (620, 115661), (806, 88970), (820, 87451), (868, 82615), (910, 78802), (961, 74620), (1066, 67270), (1085, 66092), (1148, 62465), (1271, 56420), (1435, 49972), (1612, 44485), (1820, 39401), (1922, 37310), (2015, 35588), (2132, 33635), (2170, 33046), (2542, 28210), (2665, 26908), (2821, 25420), (2870, 24986), (3731, 19220), (3844, 18655), (4030, 17794), (4340, 16523), (4805, 14924), (5084, 14105), (5330, 13454), (5642, 12710), (5740, 12493), (6355, 11284), (6727, 10660), (7462, 9610), (8060, 8897)]