1909887660

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{392981}}^1$

素因数の和:393005

約数の個数: 72

約数和(自身を含む): 6007908816

約数和(自身を除く): 4098021156

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 392981, 785962, 1178943, 1571924, 1964905, 2357886, 3536829, 3929810, 4715772, 5894715, 7073658, 7859620, 10610487, 11789430, 14147316, 17684145, 21220974, 23578860, 31831461, 35368290, 42441948, 53052435, 63662922, 70736580, 95494383, 106104870, 127325844, 159157305, 190988766, 212209740, 318314610, 381977532, 477471915, 636629220, 954943830, 1909887660]

約数ペア:

[(1, 1909887660), (2, 954943830), (3, 636629220), (4, 477471915), (5, 381977532), (6, 318314610), (9, 212209740), (10, 190988766), (12, 159157305), (15, 127325844), (18, 106104870), (20, 95494383), (27, 70736580), (30, 63662922), (36, 53052435), (45, 42441948), (54, 35368290), (60, 31831461), (81, 23578860), (90, 21220974), (108, 17684145), (135, 14147316), (162, 11789430), (180, 10610487), (243, 7859620), (270, 7073658), (324, 5894715), (405, 4715772), (486, 3929810), (540, 3536829), (810, 2357886), (972, 1964905), (1215, 1571924), (1620, 1178943), (2430, 785962), (4860, 392981)]