15381520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{227}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 45122112

約数和(自身を除く): 29740592

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 121, 140, 154, 176, 220, 227, 242, 280, 308, 385, 440, 454, 484, 560, 605, 616, 770, 847, 880, 908, 968, 1135, 1210, 1232, 1540, 1589, 1694, 1816, 1936, 2270, 2420, 2497, 3080, 3178, 3388, 3632, 4235, 4540, 4840, 4994, 6160, 6356, 6776, 7945, 8470, 9080, 9680, 9988, 12485, 12712, 13552, 15890, 16940, 17479, 18160, 19976, 24970, 25424, 27467, 31780, 33880, 34958, 39952, 49940, 54934, 63560, 67760, 69916, 87395, 99880, 109868, 127120, 137335, 139832, 174790, 192269, 199760, 219736, 274670, 279664, 349580, 384538, 439472, 549340, 699160, 769076, 961345, 1098680, 1398320, 1538152, 1922690, 2197360, 3076304, 3845380, 7690760, 15381520]

約数ペア:

[(1, 15381520), (2, 7690760), (4, 3845380), (5, 3076304), (7, 2197360), (8, 1922690), (10, 1538152), (11, 1398320), (14, 1098680), (16, 961345), (20, 769076), (22, 699160), (28, 549340), (35, 439472), (40, 384538), (44, 349580), (55, 279664), (56, 274670), (70, 219736), (77, 199760), (80, 192269), (88, 174790), (110, 139832), (112, 137335), (121, 127120), (140, 109868), (154, 99880), (176, 87395), (220, 69916), (227, 67760), (242, 63560), (280, 54934), (308, 49940), (385, 39952), (440, 34958), (454, 33880), (484, 31780), (560, 27467), (605, 25424), (616, 24970), (770, 19976), (847, 18160), (880, 17479), (908, 16940), (968, 15890), (1135, 13552), (1210, 12712), (1232, 12485), (1540, 9988), (1589, 9680), (1694, 9080), (1816, 8470), (1936, 7945), (2270, 6776), (2420, 6356), (2497, 6160), (3080, 4994), (3178, 4840), (3388, 4540), (3632, 4235)]