311684520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{7001}}^1$

素因数の和:7075

約数の個数: 128

約数和(自身を含む): 1088951040

約数和(自身を除く): 777266520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 53, 56, 60, 70, 84, 105, 106, 120, 140, 159, 168, 210, 212, 265, 280, 318, 371, 420, 424, 530, 636, 742, 795, 840, 1060, 1113, 1272, 1484, 1590, 1855, 2120, 2226, 2968, 3180, 3710, 4452, 5565, 6360, 7001, 7420, 8904, 11130, 14002, 14840, 21003, 22260, 28004, 35005, 42006, 44520, 49007, 56008, 70010, 84012, 98014, 105015, 140020, 147021, 168024, 196028, 210030, 245035, 280040, 294042, 371053, 392056, 420060, 490070, 588084, 735105, 742106, 840120, 980140, 1113159, 1176168, 1470210, 1484212, 1855265, 1960280, 2226318, 2597371, 2940420, 2968424, 3710530, 4452636, 5194742, 5565795, 5880840, 7421060, 7792113, 8905272, 10389484, 11131590, 12986855, 14842120, 15584226, 20778968, 22263180, 25973710, 31168452, 38960565, 44526360, 51947420, 62336904, 77921130, 103894840, 155842260, 311684520]

約数ペア:

[(1, 311684520), (2, 155842260), (3, 103894840), (4, 77921130), (5, 62336904), (6, 51947420), (7, 44526360), (8, 38960565), (10, 31168452), (12, 25973710), (14, 22263180), (15, 20778968), (20, 15584226), (21, 14842120), (24, 12986855), (28, 11131590), (30, 10389484), (35, 8905272), (40, 7792113), (42, 7421060), (53, 5880840), (56, 5565795), (60, 5194742), (70, 4452636), (84, 3710530), (105, 2968424), (106, 2940420), (120, 2597371), (140, 2226318), (159, 1960280), (168, 1855265), (210, 1484212), (212, 1470210), (265, 1176168), (280, 1113159), (318, 980140), (371, 840120), (420, 742106), (424, 735105), (530, 588084), (636, 490070), (742, 420060), (795, 392056), (840, 371053), (1060, 294042), (1113, 280040), (1272, 245035), (1484, 210030), (1590, 196028), (1855, 168024), (2120, 147021), (2226, 140020), (2968, 105015), (3180, 98014), (3710, 84012), (4452, 70010), (5565, 56008), (6360, 49007), (7001, 44520), (7420, 42006), (8904, 35005), (11130, 28004), (14002, 22260), (14840, 21003)]