1287120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 4142592

約数和(自身を除く): 2855472

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, 173, 186, 240, 248, 310, 346, 372, 465, 496, 519, 620, 692, 744, 865, 930, 1038, 1240, 1384, 1488, 1730, 1860, 2076, 2480, 2595, 2768, 3460, 3720, 4152, 5190, 5363, 6920, 7440, 8304, 10380, 10726, 13840, 16089, 20760, 21452, 26815, 32178, 41520, 42904, 53630, 64356, 80445, 85808, 107260, 128712, 160890, 214520, 257424, 321780, 429040, 643560, 1287120]

約数ペア:

[(1, 1287120), (2, 643560), (3, 429040), (4, 321780), (5, 257424), (6, 214520), (8, 160890), (10, 128712), (12, 107260), (15, 85808), (16, 80445), (20, 64356), (24, 53630), (30, 42904), (31, 41520), (40, 32178), (48, 26815), (60, 21452), (62, 20760), (80, 16089), (93, 13840), (120, 10726), (124, 10380), (155, 8304), (173, 7440), (186, 6920), (240, 5363), (248, 5190), (310, 4152), (346, 3720), (372, 3460), (465, 2768), (496, 2595), (519, 2480), (620, 2076), (692, 1860), (744, 1730), (865, 1488), (930, 1384), (1038, 1240)]