123131820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4969}}^1$

素因数の和:5047

約数の個数: 96

約数和(自身を含む): 400780800

約数和(自身を除く): 277648980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 84, 105, 118, 140, 177, 210, 236, 295, 354, 413, 420, 590, 708, 826, 885, 1180, 1239, 1652, 1770, 2065, 2478, 3540, 4130, 4956, 4969, 6195, 8260, 9938, 12390, 14907, 19876, 24780, 24845, 29814, 34783, 49690, 59628, 69566, 74535, 99380, 104349, 139132, 149070, 173915, 208698, 293171, 298140, 347830, 417396, 521745, 586342, 695660, 879513, 1043490, 1172684, 1465855, 1759026, 2052197, 2086980, 2931710, 3518052, 4104394, 4397565, 5863420, 6156591, 8208788, 8795130, 10260985, 12313182, 17590260, 20521970, 24626364, 30782955, 41043940, 61565910, 123131820]

約数ペア:

[(1, 123131820), (2, 61565910), (3, 41043940), (4, 30782955), (5, 24626364), (6, 20521970), (7, 17590260), (10, 12313182), (12, 10260985), (14, 8795130), (15, 8208788), (20, 6156591), (21, 5863420), (28, 4397565), (30, 4104394), (35, 3518052), (42, 2931710), (59, 2086980), (60, 2052197), (70, 1759026), (84, 1465855), (105, 1172684), (118, 1043490), (140, 879513), (177, 695660), (210, 586342), (236, 521745), (295, 417396), (354, 347830), (413, 298140), (420, 293171), (590, 208698), (708, 173915), (826, 149070), (885, 139132), (1180, 104349), (1239, 99380), (1652, 74535), (1770, 69566), (2065, 59628), (2478, 49690), (3540, 34783), (4130, 29814), (4956, 24845), (4969, 24780), (6195, 19876), (8260, 14907), (9938, 12390)]