118278640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1289}}^1$

素因数の和:1370

約数の個数: 80

約数和(自身を含む): 291767040

約数和(自身を除く): 173488400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1289, 1480, 2294, 2480, 2578, 2960, 4588, 5156, 5735, 6445, 9176, 10312, 11470, 12890, 18352, 20624, 22940, 25780, 39959, 45880, 47693, 51560, 79918, 91760, 95386, 103120, 159836, 190772, 199795, 238465, 319672, 381544, 399590, 476930, 639344, 763088, 799180, 953860, 1478483, 1598360, 1907720, 2956966, 3196720, 3815440, 5913932, 7392415, 11827864, 14784830, 23655728, 29569660, 59139320, 118278640]

約数ペア:

[(1, 118278640), (2, 59139320), (4, 29569660), (5, 23655728), (8, 14784830), (10, 11827864), (16, 7392415), (20, 5913932), (31, 3815440), (37, 3196720), (40, 2956966), (62, 1907720), (74, 1598360), (80, 1478483), (124, 953860), (148, 799180), (155, 763088), (185, 639344), (248, 476930), (296, 399590), (310, 381544), (370, 319672), (496, 238465), (592, 199795), (620, 190772), (740, 159836), (1147, 103120), (1240, 95386), (1289, 91760), (1480, 79918), (2294, 51560), (2480, 47693), (2578, 45880), (2960, 39959), (4588, 25780), (5156, 22940), (5735, 20624), (6445, 18352), (9176, 12890), (10312, 11470)]