21520512240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1080347}}^1$

素因数の和:1080446

約数の個数: 80

約数和(自身を含む): 67517428608

約数和(自身を除く): 45996916368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 996, 1245, 1328, 1660, 1992, 2490, 3320, 3984, 4980, 6640, 9960, 19920, 1080347, 2160694, 3241041, 4321388, 5401735, 6482082, 8642776, 10803470, 12964164, 16205205, 17285552, 21606940, 25928328, 32410410, 43213880, 51856656, 64820820, 86427760, 89668801, 129641640, 179337602, 259283280, 269006403, 358675204, 448344005, 538012806, 717350408, 896688010, 1076025612, 1345032015, 1434700816, 1793376020, 2152051224, 2690064030, 3586752040, 4304102448, 5380128060, 7173504080, 10760256120, 21520512240]

約数ペア:

[(1, 21520512240), (2, 10760256120), (3, 7173504080), (4, 5380128060), (5, 4304102448), (6, 3586752040), (8, 2690064030), (10, 2152051224), (12, 1793376020), (15, 1434700816), (16, 1345032015), (20, 1076025612), (24, 896688010), (30, 717350408), (40, 538012806), (48, 448344005), (60, 358675204), (80, 269006403), (83, 259283280), (120, 179337602), (166, 129641640), (240, 89668801), (249, 86427760), (332, 64820820), (415, 51856656), (498, 43213880), (664, 32410410), (830, 25928328), (996, 21606940), (1245, 17285552), (1328, 16205205), (1660, 12964164), (1992, 10803470), (2490, 8642776), (3320, 6482082), (3984, 5401735), (4980, 4321388), (6640, 3241041), (9960, 2160694), (19920, 1080347)]