31061730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:208

約数の個数: 128

約数和(自身を含む): 91238400

約数和(自身を除く): 60176670

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 59, 69, 70, 105, 109, 115, 118, 138, 161, 177, 210, 218, 230, 295, 322, 327, 345, 354, 413, 483, 545, 590, 654, 690, 763, 805, 826, 885, 966, 1090, 1239, 1357, 1526, 1610, 1635, 1770, 2065, 2289, 2415, 2478, 2507, 2714, 3270, 3815, 4071, 4130, 4578, 4830, 5014, 6195, 6431, 6785, 7521, 7630, 8142, 9499, 11445, 12390, 12535, 12862, 13570, 15042, 17549, 18998, 19293, 20355, 22890, 25070, 28497, 32155, 35098, 37605, 38586, 40710, 45017, 47495, 52647, 56994, 64310, 75210, 87745, 90034, 94990, 96465, 105294, 135051, 142485, 147913, 175490, 192930, 225085, 263235, 270102, 284970, 295826, 443739, 450170, 526470, 675255, 739565, 887478, 1035391, 1350510, 1479130, 2070782, 2218695, 3106173, 4437390, 5176955, 6212346, 10353910, 15530865, 31061730]

約数ペア:

[(1, 31061730), (2, 15530865), (3, 10353910), (5, 6212346), (6, 5176955), (7, 4437390), (10, 3106173), (14, 2218695), (15, 2070782), (21, 1479130), (23, 1350510), (30, 1035391), (35, 887478), (42, 739565), (46, 675255), (59, 526470), (69, 450170), (70, 443739), (105, 295826), (109, 284970), (115, 270102), (118, 263235), (138, 225085), (161, 192930), (177, 175490), (210, 147913), (218, 142485), (230, 135051), (295, 105294), (322, 96465), (327, 94990), (345, 90034), (354, 87745), (413, 75210), (483, 64310), (545, 56994), (590, 52647), (654, 47495), (690, 45017), (763, 40710), (805, 38586), (826, 37605), (885, 35098), (966, 32155), (1090, 28497), (1239, 25070), (1357, 22890), (1526, 20355), (1610, 19293), (1635, 18998), (1770, 17549), (2065, 15042), (2289, 13570), (2415, 12862), (2478, 12535), (2507, 12390), (2714, 11445), (3270, 9499), (3815, 8142), (4071, 7630), (4130, 7521), (4578, 6785), (4830, 6431), (5014, 6195)]