78815730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{4217}}^1$

素因数の和:4323

約数の個数: 64

約数和(自身を含む): 218661120

約数和(自身を除く): 139845390

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 89, 105, 178, 210, 267, 445, 534, 623, 890, 1246, 1335, 1869, 2670, 3115, 3738, 4217, 6230, 8434, 9345, 12651, 18690, 21085, 25302, 29519, 42170, 59038, 63255, 88557, 126510, 147595, 177114, 295190, 375313, 442785, 750626, 885570, 1125939, 1876565, 2251878, 2627191, 3753130, 5254382, 5629695, 7881573, 11259390, 13135955, 15763146, 26271910, 39407865, 78815730]

約数ペア:

[(1, 78815730), (2, 39407865), (3, 26271910), (5, 15763146), (6, 13135955), (7, 11259390), (10, 7881573), (14, 5629695), (15, 5254382), (21, 3753130), (30, 2627191), (35, 2251878), (42, 1876565), (70, 1125939), (89, 885570), (105, 750626), (178, 442785), (210, 375313), (267, 295190), (445, 177114), (534, 147595), (623, 126510), (890, 88557), (1246, 63255), (1335, 59038), (1869, 42170), (2670, 29519), (3115, 25302), (3738, 21085), (4217, 18690), (6230, 12651), (8434, 9345)]