620528790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{155521}}^1$

素因数の和:155557

約数の個数: 64

約数和(自身を含む): 1791613440

約数和(自身を除く): 1171084650

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 155521, 311042, 466563, 777605, 933126, 1088647, 1555210, 2177294, 2332815, 2954899, 3265941, 4665630, 5443235, 5909798, 6531882, 8864697, 10886470, 14774495, 16329705, 17729394, 20684293, 29548990, 32659410, 41368586, 44323485, 62052879, 88646970, 103421465, 124105758, 206842930, 310264395, 620528790]

約数ペア:

[(1, 620528790), (2, 310264395), (3, 206842930), (5, 124105758), (6, 103421465), (7, 88646970), (10, 62052879), (14, 44323485), (15, 41368586), (19, 32659410), (21, 29548990), (30, 20684293), (35, 17729394), (38, 16329705), (42, 14774495), (57, 10886470), (70, 8864697), (95, 6531882), (105, 5909798), (114, 5443235), (133, 4665630), (190, 3265941), (210, 2954899), (266, 2332815), (285, 2177294), (399, 1555210), (570, 1088647), (665, 933126), (798, 777605), (1330, 466563), (1995, 311042), (3990, 155521)]