65291220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1174

約数の個数: 144

約数和(自身を含む): 220933440

約数和(自身を除く): 155642220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1123, 1140, 1292, 1530, 1615, 1710, 1938, 2246, 2907, 3060, 3230, 3369, 3420, 3876, 4492, 4845, 5615, 5814, 6460, 6738, 9690, 10107, 11230, 11628, 13476, 14535, 16845, 19091, 19380, 20214, 21337, 22460, 29070, 33690, 38182, 40428, 42674, 50535, 57273, 58140, 64011, 67380, 76364, 85348, 95455, 101070, 106685, 114546, 128022, 171819, 190910, 192033, 202140, 213370, 229092, 256044, 286365, 320055, 343638, 362729, 381820, 384066, 426740, 572730, 640110, 687276, 725458, 768132, 859095, 960165, 1088187, 1145460, 1280220, 1450916, 1718190, 1813645, 1920330, 2176374, 3264561, 3436380, 3627290, 3840660, 4352748, 5440935, 6529122, 7254580, 10881870, 13058244, 16322805, 21763740, 32645610, 65291220]

約数ペア:

[(1, 65291220), (2, 32645610), (3, 21763740), (4, 16322805), (5, 13058244), (6, 10881870), (9, 7254580), (10, 6529122), (12, 5440935), (15, 4352748), (17, 3840660), (18, 3627290), (19, 3436380), (20, 3264561), (30, 2176374), (34, 1920330), (36, 1813645), (38, 1718190), (45, 1450916), (51, 1280220), (57, 1145460), (60, 1088187), (68, 960165), (76, 859095), (85, 768132), (90, 725458), (95, 687276), (102, 640110), (114, 572730), (153, 426740), (170, 384066), (171, 381820), (180, 362729), (190, 343638), (204, 320055), (228, 286365), (255, 256044), (285, 229092), (306, 213370), (323, 202140), (340, 192033), (342, 190910), (380, 171819), (510, 128022), (570, 114546), (612, 106685), (646, 101070), (684, 95455), (765, 85348), (855, 76364), (969, 67380), (1020, 64011), (1123, 58140), (1140, 57273), (1292, 50535), (1530, 42674), (1615, 40428), (1710, 38182), (1938, 33690), (2246, 29070), (2907, 22460), (3060, 21337), (3230, 20214), (3369, 19380), (3420, 19091), (3876, 16845), (4492, 14535), (4845, 13476), (5615, 11628), (5814, 11230), (6460, 10107), (6738, 9690)]