180288560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:706

約数の個数: 80

約数和(自身を含む): 436638720

約数和(自身を除く): 256350160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 139, 155, 248, 278, 310, 496, 523, 556, 620, 695, 1046, 1112, 1240, 1390, 2092, 2224, 2480, 2615, 2780, 4184, 4309, 5230, 5560, 8368, 8618, 10460, 11120, 16213, 17236, 20920, 21545, 32426, 34472, 41840, 43090, 64852, 68944, 72697, 81065, 86180, 129704, 145394, 162130, 172360, 259408, 290788, 324260, 344720, 363485, 581576, 648520, 726970, 1163152, 1297040, 1453940, 2253607, 2907880, 4507214, 5815760, 9014428, 11268035, 18028856, 22536070, 36057712, 45072140, 90144280, 180288560]

約数ペア:

[(1, 180288560), (2, 90144280), (4, 45072140), (5, 36057712), (8, 22536070), (10, 18028856), (16, 11268035), (20, 9014428), (31, 5815760), (40, 4507214), (62, 2907880), (80, 2253607), (124, 1453940), (139, 1297040), (155, 1163152), (248, 726970), (278, 648520), (310, 581576), (496, 363485), (523, 344720), (556, 324260), (620, 290788), (695, 259408), (1046, 172360), (1112, 162130), (1240, 145394), (1390, 129704), (2092, 86180), (2224, 81065), (2480, 72697), (2615, 68944), (2780, 64852), (4184, 43090), (4309, 41840), (5230, 34472), (5560, 32426), (8368, 21545), (8618, 20920), (10460, 17236), (11120, 16213)]