16720367615

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{397}}^1\times {\mathrm{463}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 24252604416

約数和(自身を除く): 7532236801

約数列:

[1, 5, 7, 23, 35, 113, 115, 161, 397, 463, 565, 791, 805, 1985, 2315, 2599, 2779, 3241, 3955, 9131, 10649, 12995, 13895, 16205, 18193, 44861, 45655, 52319, 53245, 63917, 74543, 90965, 183811, 224305, 261595, 314027, 319585, 366233, 372715, 919055, 1031803, 1203337, 1286677, 1570135, 1831165, 4227653, 5159015, 6016685, 6433385, 7222621, 8423359, 20770643, 21138265, 29593571, 36113105, 42116795, 103853215, 145394501, 147967855, 477724789, 726972505, 2388623945, 3344073523, 16720367615]

約数ペア:

[(1, 16720367615), (5, 3344073523), (7, 2388623945), (23, 726972505), (35, 477724789), (113, 147967855), (115, 145394501), (161, 103853215), (397, 42116795), (463, 36113105), (565, 29593571), (791, 21138265), (805, 20770643), (1985, 8423359), (2315, 7222621), (2599, 6433385), (2779, 6016685), (3241, 5159015), (3955, 4227653), (9131, 1831165), (10649, 1570135), (12995, 1286677), (13895, 1203337), (16205, 1031803), (18193, 919055), (44861, 372715), (45655, 366233), (52319, 319585), (53245, 314027), (63917, 261595), (74543, 224305), (90965, 183811)]