905728860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{8543}}^1$

素因数の和:8608

約数の個数: 144

約数和(自身を含む): 2985615360

約数和(自身を除く): 2079886500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 855, 930, 1116, 1140, 1178, 1395, 1710, 1767, 1860, 2356, 2790, 2945, 3420, 3534, 5301, 5580, 5890, 7068, 8543, 8835, 10602, 11780, 17086, 17670, 21204, 25629, 26505, 34172, 35340, 42715, 51258, 53010, 76887, 85430, 102516, 106020, 128145, 153774, 162317, 170860, 256290, 264833, 307548, 324634, 384435, 486951, 512580, 529666, 649268, 768870, 794499, 811585, 973902, 1059332, 1324165, 1460853, 1537740, 1588998, 1623170, 1947804, 2383497, 2434755, 2648330, 2921706, 3177996, 3246340, 3972495, 4766994, 4869510, 5031827, 5296660, 5843412, 7304265, 7944990, 9533988, 9739020, 10063654, 11917485, 14608530, 15095481, 15889980, 20127308, 23834970, 25159135, 29217060, 30190962, 45286443, 47669940, 50318270, 60381924, 75477405, 90572886, 100636540, 150954810, 181145772, 226432215, 301909620, 452864430, 905728860]

約数ペア:

[(1, 905728860), (2, 452864430), (3, 301909620), (4, 226432215), (5, 181145772), (6, 150954810), (9, 100636540), (10, 90572886), (12, 75477405), (15, 60381924), (18, 50318270), (19, 47669940), (20, 45286443), (30, 30190962), (31, 29217060), (36, 25159135), (38, 23834970), (45, 20127308), (57, 15889980), (60, 15095481), (62, 14608530), (76, 11917485), (90, 10063654), (93, 9739020), (95, 9533988), (114, 7944990), (124, 7304265), (155, 5843412), (171, 5296660), (180, 5031827), (186, 4869510), (190, 4766994), (228, 3972495), (279, 3246340), (285, 3177996), (310, 2921706), (342, 2648330), (372, 2434755), (380, 2383497), (465, 1947804), (558, 1623170), (570, 1588998), (589, 1537740), (620, 1460853), (684, 1324165), (855, 1059332), (930, 973902), (1116, 811585), (1140, 794499), (1178, 768870), (1395, 649268), (1710, 529666), (1767, 512580), (1860, 486951), (2356, 384435), (2790, 324634), (2945, 307548), (3420, 264833), (3534, 256290), (5301, 170860), (5580, 162317), (5890, 153774), (7068, 128145), (8543, 106020), (8835, 102516), (10602, 85430), (11780, 76887), (17086, 53010), (17670, 51258), (21204, 42715), (25629, 35340), (26505, 34172)]