72585520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{571}}^1$

素因数の和:818

約数の個数: 80

約数和(自身を含む): 194059008

約数和(自身を除く): 121473488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 571, 908, 1135, 1142, 1589, 1816, 2270, 2284, 2855, 3178, 3632, 3997, 4540, 4568, 5710, 6356, 7945, 7994, 9080, 9136, 11420, 12712, 15890, 15988, 18160, 19985, 22840, 25424, 31780, 31976, 39970, 45680, 63560, 63952, 79940, 127120, 129617, 159880, 259234, 319760, 518468, 648085, 907319, 1036936, 1296170, 1814638, 2073872, 2592340, 3629276, 4536595, 5184680, 7258552, 9073190, 10369360, 14517104, 18146380, 36292760, 72585520]

約数ペア:

[(1, 72585520), (2, 36292760), (4, 18146380), (5, 14517104), (7, 10369360), (8, 9073190), (10, 7258552), (14, 5184680), (16, 4536595), (20, 3629276), (28, 2592340), (35, 2073872), (40, 1814638), (56, 1296170), (70, 1036936), (80, 907319), (112, 648085), (140, 518468), (227, 319760), (280, 259234), (454, 159880), (560, 129617), (571, 127120), (908, 79940), (1135, 63952), (1142, 63560), (1589, 45680), (1816, 39970), (2270, 31976), (2284, 31780), (2855, 25424), (3178, 22840), (3632, 19985), (3997, 18160), (4540, 15988), (4568, 15890), (5710, 12712), (6356, 11420), (7945, 9136), (7994, 9080)]