488721870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19891}}^1$

素因数の和:19927

約数の個数: 128

約数和(自身を含む): 1604090880

約数和(自身を除く): 1115369010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 135, 182, 189, 195, 210, 234, 270, 273, 315, 351, 378, 390, 455, 546, 585, 630, 702, 819, 910, 945, 1170, 1365, 1638, 1755, 1890, 2457, 2730, 3510, 4095, 4914, 8190, 12285, 19891, 24570, 39782, 59673, 99455, 119346, 139237, 179019, 198910, 258583, 278474, 298365, 358038, 417711, 517166, 537057, 596730, 696185, 775749, 835422, 895095, 1074114, 1253133, 1292915, 1392370, 1551498, 1790190, 1810081, 2088555, 2327247, 2506266, 2585830, 2685285, 3620162, 3759399, 3878745, 4177110, 4654494, 5370570, 5430243, 6265665, 6981741, 7518798, 7757490, 9050405, 10860486, 11636235, 12531330, 13963482, 16290729, 18100810, 18796995, 23272470, 27151215, 32581458, 34908705, 37593990, 48872187, 54302430, 69817410, 81453645, 97744374, 162907290, 244360935, 488721870]

約数ペア:

[(1, 488721870), (2, 244360935), (3, 162907290), (5, 97744374), (6, 81453645), (7, 69817410), (9, 54302430), (10, 48872187), (13, 37593990), (14, 34908705), (15, 32581458), (18, 27151215), (21, 23272470), (26, 18796995), (27, 18100810), (30, 16290729), (35, 13963482), (39, 12531330), (42, 11636235), (45, 10860486), (54, 9050405), (63, 7757490), (65, 7518798), (70, 6981741), (78, 6265665), (90, 5430243), (91, 5370570), (105, 4654494), (117, 4177110), (126, 3878745), (130, 3759399), (135, 3620162), (182, 2685285), (189, 2585830), (195, 2506266), (210, 2327247), (234, 2088555), (270, 1810081), (273, 1790190), (315, 1551498), (351, 1392370), (378, 1292915), (390, 1253133), (455, 1074114), (546, 895095), (585, 835422), (630, 775749), (702, 696185), (819, 596730), (910, 537057), (945, 517166), (1170, 417711), (1365, 358038), (1638, 298365), (1755, 278474), (1890, 258583), (2457, 198910), (2730, 179019), (3510, 139237), (4095, 119346), (4914, 99455), (8190, 59673), (12285, 39782), (19891, 24570)]