51721739.000000000

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3571}}^1$

素因数の和:3616

約数の個数: 144

約数和(自身を含む): 468074880

約数和(自身を除く): 333733860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1881, 1980, 2090, 2508, 3135, 3420, 3571, 3762, 4180, 6270, 7142, 7524, 9405, 10713, 12540, 14284, 17855, 18810, 21426, 32139, 35710, 37620, 39281, 42852, 53565, 64278, 67849, 71420, 78562, 107130, 117843, 128556, 135698, 157124, 160695, 196405, 203547, 214260, 235686, 271396, 321390, 339245, 353529, 392810, 407094, 471372, 589215, 610641, 642780, 678490, 707058, 746339, 785620, 814188, 1017735, 1178430, 1221282, 1356980, 1414116, 1492678, 1767645, 2035470, 2239017, 2356860, 2442564, 2985356, 3053205, 3535290, 3731695, 4070940, 4478034, 6106410, 6717051, 7070580, 7463390, 8956068, 11195085, 12212820, 13434102, 14926780, 22390170, 26868204, 33585255, 44780340, 67170510, 134341020]

約数ペア:

[(1, 134341020), (2, 67170510), (3, 44780340), (4, 33585255), (5, 26868204), (6, 22390170), (9, 14926780), (10, 13434102), (11, 12212820), (12, 11195085), (15, 8956068), (18, 7463390), (19, 7070580), (20, 6717051), (22, 6106410), (30, 4478034), (33, 4070940), (36, 3731695), (38, 3535290), (44, 3053205), (45, 2985356), (55, 2442564), (57, 2356860), (60, 2239017), (66, 2035470), (76, 1767645), (90, 1492678), (95, 1414116), (99, 1356980), (110, 1221282), (114, 1178430), (132, 1017735), (165, 814188), (171, 785620), (180, 746339), (190, 707058), (198, 678490), (209, 642780), (220, 610641), (228, 589215), (285, 471372), (330, 407094), (342, 392810), (380, 353529), (396, 339245), (418, 321390), (495, 271396), (570, 235686), (627, 214260), (660, 203547), (684, 196405), (836, 160695), (855, 157124), (990, 135698), (1045, 128556), (1140, 117843), (1254, 107130), (1710, 78562), (1881, 71420), (1980, 67849), (2090, 64278), (2508, 53565), (3135, 42852), (3420, 39281), (3571, 37620), (3762, 35710), (4180, 32139), (6270, 21426), (7142, 18810), (7524, 17855), (9405, 14284), (10713, 12540)]