20971480080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{189547}}^1$

素因数の和:190024

約数の個数: 80

約数和(自身を含む): 65152954944

約数和(自身を除く): 44181474864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 461, 922, 1383, 1844, 2305, 2766, 3688, 4610, 5532, 6915, 7376, 9220, 11064, 13830, 18440, 22128, 27660, 36880, 55320, 110640, 189547, 379094, 568641, 758188, 947735, 1137282, 1516376, 1895470, 2274564, 2843205, 3032752, 3790940, 4549128, 5686410, 7581880, 9098256, 11372820, 15163760, 22745640, 45491280, 87381167, 174762334, 262143501, 349524668, 436905835, 524287002, 699049336, 873811670, 1048574004, 1310717505, 1398098672, 1747623340, 2097148008, 2621435010, 3495246680, 4194296016, 5242870020, 6990493360, 10485740040, 20971480080]

約数ペア:

[(1, 20971480080), (2, 10485740040), (3, 6990493360), (4, 5242870020), (5, 4194296016), (6, 3495246680), (8, 2621435010), (10, 2097148008), (12, 1747623340), (15, 1398098672), (16, 1310717505), (20, 1048574004), (24, 873811670), (30, 699049336), (40, 524287002), (48, 436905835), (60, 349524668), (80, 262143501), (120, 174762334), (240, 87381167), (461, 45491280), (922, 22745640), (1383, 15163760), (1844, 11372820), (2305, 9098256), (2766, 7581880), (3688, 5686410), (4610, 4549128), (5532, 3790940), (6915, 3032752), (7376, 2843205), (9220, 2274564), (11064, 1895470), (13830, 1516376), (18440, 1137282), (22128, 947735), (27660, 758188), (36880, 568641), (55320, 379094), (110640, 189547)]