81212910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2699}}^1$

素因数の和:2785

約数の個数: 64

約数和(自身を含む): 209952000

約数和(自身を除く): 128739090

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 59, 85, 102, 118, 170, 177, 255, 295, 354, 510, 590, 885, 1003, 1770, 2006, 2699, 3009, 5015, 5398, 6018, 8097, 10030, 13495, 15045, 16194, 26990, 30090, 40485, 45883, 80970, 91766, 137649, 159241, 229415, 275298, 318482, 458830, 477723, 688245, 796205, 955446, 1376490, 1592410, 2388615, 2707097, 4777230, 5414194, 8121291, 13535485, 16242582, 27070970, 40606455, 81212910]

約数ペア:

[(1, 81212910), (2, 40606455), (3, 27070970), (5, 16242582), (6, 13535485), (10, 8121291), (15, 5414194), (17, 4777230), (30, 2707097), (34, 2388615), (51, 1592410), (59, 1376490), (85, 955446), (102, 796205), (118, 688245), (170, 477723), (177, 458830), (255, 318482), (295, 275298), (354, 229415), (510, 159241), (590, 137649), (885, 91766), (1003, 80970), (1770, 45883), (2006, 40485), (2699, 30090), (3009, 26990), (5015, 16194), (5398, 15045), (6018, 13495), (8097, 10030)]