51516990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{81773}}^1$

素因数の和:81793

約数の個数: 48

約数和(自身を含む): 153080928

約数和(自身を除く): 101563938

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 81773, 163546, 245319, 408865, 490638, 572411, 735957, 817730, 1144822, 1226595, 1471914, 1717233, 2453190, 2862055, 3434466, 3679785, 5151699, 5724110, 7359570, 8586165, 10303398, 17172330, 25758495, 51516990]

約数ペア:

[(1, 51516990), (2, 25758495), (3, 17172330), (5, 10303398), (6, 8586165), (7, 7359570), (9, 5724110), (10, 5151699), (14, 3679785), (15, 3434466), (18, 2862055), (21, 2453190), (30, 1717233), (35, 1471914), (42, 1226595), (45, 1144822), (63, 817730), (70, 735957), (90, 572411), (105, 490638), (126, 408865), (210, 245319), (315, 163546), (630, 81773)]