19565520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6271}}^1$

素因数の和:6300

約数の個数: 80

約数和(自身を含む): 65329152

約数和(自身を除く): 45763632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6271, 12542, 18813, 25084, 31355, 37626, 50168, 62710, 75252, 81523, 94065, 100336, 125420, 150504, 163046, 188130, 244569, 250840, 301008, 326092, 376260, 407615, 489138, 501680, 652184, 752520, 815230, 978276, 1222845, 1304368, 1505040, 1630460, 1956552, 2445690, 3260920, 3913104, 4891380, 6521840, 9782760, 19565520]

約数ペア:

[(1, 19565520), (2, 9782760), (3, 6521840), (4, 4891380), (5, 3913104), (6, 3260920), (8, 2445690), (10, 1956552), (12, 1630460), (13, 1505040), (15, 1304368), (16, 1222845), (20, 978276), (24, 815230), (26, 752520), (30, 652184), (39, 501680), (40, 489138), (48, 407615), (52, 376260), (60, 326092), (65, 301008), (78, 250840), (80, 244569), (104, 188130), (120, 163046), (130, 150504), (156, 125420), (195, 100336), (208, 94065), (240, 81523), (260, 75252), (312, 62710), (390, 50168), (520, 37626), (624, 31355), (780, 25084), (1040, 18813), (1560, 12542), (3120, 6271)]