15978060

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{1409}}^1$

素因数の和:1437

約数の個数: 120

約数和(自身を含む): 57324960

約数和(自身を除く): 41346900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 315, 324, 378, 405, 420, 540, 567, 630, 756, 810, 945, 1134, 1260, 1409, 1620, 1890, 2268, 2818, 2835, 3780, 4227, 5636, 5670, 7045, 8454, 9863, 11340, 12681, 14090, 16908, 19726, 21135, 25362, 28180, 29589, 38043, 39452, 42270, 49315, 50724, 59178, 63405, 76086, 84540, 88767, 98630, 114129, 118356, 126810, 147945, 152172, 177534, 190215, 197260, 228258, 253620, 266301, 295890, 355068, 380430, 443835, 456516, 532602, 570645, 591780, 760860, 798903, 887670, 1065204, 1141290, 1331505, 1597806, 1775340, 2282580, 2663010, 3195612, 3994515, 5326020, 7989030, 15978060]

約数ペア:

[(1, 15978060), (2, 7989030), (3, 5326020), (4, 3994515), (5, 3195612), (6, 2663010), (7, 2282580), (9, 1775340), (10, 1597806), (12, 1331505), (14, 1141290), (15, 1065204), (18, 887670), (20, 798903), (21, 760860), (27, 591780), (28, 570645), (30, 532602), (35, 456516), (36, 443835), (42, 380430), (45, 355068), (54, 295890), (60, 266301), (63, 253620), (70, 228258), (81, 197260), (84, 190215), (90, 177534), (105, 152172), (108, 147945), (126, 126810), (135, 118356), (140, 114129), (162, 98630), (180, 88767), (189, 84540), (210, 76086), (252, 63405), (270, 59178), (315, 50724), (324, 49315), (378, 42270), (405, 39452), (420, 38043), (540, 29589), (567, 28180), (630, 25362), (756, 21135), (810, 19726), (945, 16908), (1134, 14090), (1260, 12681), (1409, 11340), (1620, 9863), (1890, 8454), (2268, 7045), (2818, 5670), (2835, 5636), (3780, 4227)]