128198640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17231}}^1$

素因数の和:17278

約数の個数: 80

約数和(自身を含む): 410259456

約数和(自身を除く): 282060816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 17231, 34462, 51693, 68924, 86155, 103386, 137848, 172310, 206772, 258465, 275696, 344620, 413544, 516930, 534161, 689240, 827088, 1033860, 1068322, 1378480, 1602483, 2067720, 2136644, 2670805, 3204966, 4135440, 4273288, 5341610, 6409932, 8012415, 8546576, 10683220, 12819864, 16024830, 21366440, 25639728, 32049660, 42732880, 64099320, 128198640]

約数ペア:

[(1, 128198640), (2, 64099320), (3, 42732880), (4, 32049660), (5, 25639728), (6, 21366440), (8, 16024830), (10, 12819864), (12, 10683220), (15, 8546576), (16, 8012415), (20, 6409932), (24, 5341610), (30, 4273288), (31, 4135440), (40, 3204966), (48, 2670805), (60, 2136644), (62, 2067720), (80, 1602483), (93, 1378480), (120, 1068322), (124, 1033860), (155, 827088), (186, 689240), (240, 534161), (248, 516930), (310, 413544), (372, 344620), (465, 275696), (496, 258465), (620, 206772), (744, 172310), (930, 137848), (1240, 103386), (1488, 86155), (1860, 68924), (2480, 51693), (3720, 34462), (7440, 17231)]