72505580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{907}}^1$

素因数の和:1494

約数の個数: 48

約数和(自身を含む): 174510336

約数和(自身を除く): 102004756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 907, 1142, 1814, 2284, 2855, 3628, 3997, 4535, 5710, 6349, 7994, 9070, 11420, 12698, 15988, 18140, 19985, 25396, 31745, 39970, 63490, 79940, 126980, 517897, 1035794, 2071588, 2589485, 3625279, 5178970, 7250558, 10357940, 14501116, 18126395, 36252790, 72505580]

約数ペア:

[(1, 72505580), (2, 36252790), (4, 18126395), (5, 14501116), (7, 10357940), (10, 7250558), (14, 5178970), (20, 3625279), (28, 2589485), (35, 2071588), (70, 1035794), (140, 517897), (571, 126980), (907, 79940), (1142, 63490), (1814, 39970), (2284, 31745), (2855, 25396), (3628, 19985), (3997, 18140), (4535, 15988), (5710, 12698), (6349, 11420), (7994, 9070)]