15591940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{659}}^1$

素因数の和:701

約数の個数: 72

約数和(自身を含む): 40582080

約数和(自身を除く): 24990140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 659, 676, 845, 910, 1183, 1318, 1690, 1820, 2366, 2636, 3295, 3380, 4613, 4732, 5915, 6590, 8567, 9226, 11830, 13180, 17134, 18452, 23065, 23660, 34268, 42835, 46130, 59969, 85670, 92260, 111371, 119938, 171340, 222742, 239876, 299845, 445484, 556855, 599690, 779597, 1113710, 1199380, 1559194, 2227420, 3118388, 3897985, 7795970, 15591940]

約数ペア:

[(1, 15591940), (2, 7795970), (4, 3897985), (5, 3118388), (7, 2227420), (10, 1559194), (13, 1199380), (14, 1113710), (20, 779597), (26, 599690), (28, 556855), (35, 445484), (52, 299845), (65, 239876), (70, 222742), (91, 171340), (130, 119938), (140, 111371), (169, 92260), (182, 85670), (260, 59969), (338, 46130), (364, 42835), (455, 34268), (659, 23660), (676, 23065), (845, 18452), (910, 17134), (1183, 13180), (1318, 11830), (1690, 9226), (1820, 8567), (2366, 6590), (2636, 5915), (3295, 4732), (3380, 4613)]