7812990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1523}}^1$

素因数の和:1558

約数の個数: 64

約数和(自身を含む): 21945600

約数和(自身を除く): 14132610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1523, 1710, 2565, 3046, 4569, 5130, 7615, 9138, 13707, 15230, 22845, 27414, 28937, 41121, 45690, 57874, 68535, 82242, 86811, 137070, 144685, 173622, 205605, 260433, 289370, 411210, 434055, 520866, 781299, 868110, 1302165, 1562598, 2604330, 3906495, 7812990]

約数ペア:

[(1, 7812990), (2, 3906495), (3, 2604330), (5, 1562598), (6, 1302165), (9, 868110), (10, 781299), (15, 520866), (18, 434055), (19, 411210), (27, 289370), (30, 260433), (38, 205605), (45, 173622), (54, 144685), (57, 137070), (90, 86811), (95, 82242), (114, 68535), (135, 57874), (171, 45690), (190, 41121), (270, 28937), (285, 27414), (342, 22845), (513, 15230), (570, 13707), (855, 9138), (1026, 7615), (1523, 5130), (1710, 4569), (2565, 3046)]