18740375440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{33289}}^1$

素因数の和:33560

約数の個数: 80

約数和(自身を含む): 45176394240

約数和(自身を除く): 26436018800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 227, 248, 310, 454, 496, 620, 908, 1135, 1240, 1816, 2270, 2480, 3632, 4540, 7037, 9080, 14074, 18160, 28148, 33289, 35185, 56296, 66578, 70370, 112592, 133156, 140740, 166445, 266312, 281480, 332890, 532624, 562960, 665780, 1031959, 1331560, 2063918, 2663120, 4127836, 5159795, 7556603, 8255672, 10319590, 15113206, 16511344, 20639180, 30226412, 37783015, 41278360, 60452824, 75566030, 82556720, 120905648, 151132060, 234254693, 302264120, 468509386, 604528240, 937018772, 1171273465, 1874037544, 2342546930, 3748075088, 4685093860, 9370187720, 18740375440]

約数ペア:

[(1, 18740375440), (2, 9370187720), (4, 4685093860), (5, 3748075088), (8, 2342546930), (10, 1874037544), (16, 1171273465), (20, 937018772), (31, 604528240), (40, 468509386), (62, 302264120), (80, 234254693), (124, 151132060), (155, 120905648), (227, 82556720), (248, 75566030), (310, 60452824), (454, 41278360), (496, 37783015), (620, 30226412), (908, 20639180), (1135, 16511344), (1240, 15113206), (1816, 10319590), (2270, 8255672), (2480, 7556603), (3632, 5159795), (4540, 4127836), (7037, 2663120), (9080, 2063918), (14074, 1331560), (18160, 1031959), (28148, 665780), (33289, 562960), (35185, 532624), (56296, 332890), (66578, 281480), (70370, 266312), (112592, 166445), (133156, 140740)]