1980055560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{76039}}^1$

素因数の和:76091

約数の個数: 128

約数和(自身を含む): 7007846400

約数和(自身を除く): 5027790840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8680, 13020, 26040, 76039, 152078, 228117, 304156, 380195, 456234, 532273, 608312, 760390, 912468, 1064546, 1140585, 1520780, 1596819, 1824936, 2129092, 2281170, 2357209, 2661365, 3041560, 3193638, 4258184, 4562340, 4714418, 5322730, 6387276, 7071627, 7984095, 9124680, 9428836, 10645460, 11786045, 12774552, 14143254, 15968190, 16500463, 18857672, 21290920, 23572090, 28286508, 31936380, 33000926, 35358135, 47144180, 49501389, 56573016, 63872760, 66001852, 70716270, 82502315, 94288360, 99002778, 132003704, 141432540, 165004630, 198005556, 247506945, 282865080, 330009260, 396011112, 495013890, 660018520, 990027780, 1980055560]

約数ペア:

[(1, 1980055560), (2, 990027780), (3, 660018520), (4, 495013890), (5, 396011112), (6, 330009260), (7, 282865080), (8, 247506945), (10, 198005556), (12, 165004630), (14, 141432540), (15, 132003704), (20, 99002778), (21, 94288360), (24, 82502315), (28, 70716270), (30, 66001852), (31, 63872760), (35, 56573016), (40, 49501389), (42, 47144180), (56, 35358135), (60, 33000926), (62, 31936380), (70, 28286508), (84, 23572090), (93, 21290920), (105, 18857672), (120, 16500463), (124, 15968190), (140, 14143254), (155, 12774552), (168, 11786045), (186, 10645460), (210, 9428836), (217, 9124680), (248, 7984095), (280, 7071627), (310, 6387276), (372, 5322730), (420, 4714418), (434, 4562340), (465, 4258184), (620, 3193638), (651, 3041560), (744, 2661365), (840, 2357209), (868, 2281170), (930, 2129092), (1085, 1824936), (1240, 1596819), (1302, 1520780), (1736, 1140585), (1860, 1064546), (2170, 912468), (2604, 760390), (3255, 608312), (3720, 532273), (4340, 456234), (5208, 380195), (6510, 304156), (8680, 228117), (13020, 152078), (26040, 76039)]