1277100800

素因数分解:

$2^8\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 216

約数和(自身を含む): 3363868032

約数和(自身を除く): 2086767232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 41, 50, 62, 64, 80, 82, 100, 124, 128, 155, 157, 160, 164, 200, 205, 248, 256, 310, 314, 320, 328, 400, 410, 496, 620, 628, 640, 656, 775, 785, 800, 820, 992, 1025, 1240, 1256, 1271, 1280, 1312, 1550, 1570, 1600, 1640, 1984, 2050, 2480, 2512, 2542, 2624, 3100, 3140, 3200, 3280, 3925, 3968, 4100, 4867, 4960, 5024, 5084, 5248, 6200, 6280, 6355, 6400, 6437, 6560, 7850, 7936, 8200, 9734, 9920, 10048, 10168, 10496, 12400, 12560, 12710, 12874, 13120, 15700, 16400, 19468, 19840, 20096, 20336, 24335, 24800, 25120, 25420, 25748, 26240, 31400, 31775, 32185, 32800, 38936, 39680, 40192, 40672, 48670, 49600, 50240, 50840, 51496, 52480, 62800, 63550, 64370, 65600, 77872, 81344, 97340, 99200, 100480, 101680, 102992, 121675, 125600, 127100, 128740, 131200, 155744, 160925, 162688, 194680, 198400, 199547, 200960, 203360, 205984, 243350, 251200, 254200, 257480, 262400, 311488, 321850, 325376, 389360, 399094, 406720, 411968, 486700, 502400, 508400, 514960, 622976, 643700, 778720, 798188, 813440, 823936, 973400, 997735, 1004800, 1016800, 1029920, 1245952, 1287400, 1557440, 1596376, 1626880, 1647872, 1946800, 1995470, 2033600, 2059840, 2574800, 3114880, 3192752, 3893600, 3990940, 4067200, 4119680, 4988675, 5149600, 6229760, 6385504, 7787200, 7981880, 8134400, 8239360, 9977350, 10299200, 12771008, 15574400, 15963760, 19954700, 20598400, 25542016, 31148800, 31927520, 39909400, 41196800, 51084032, 63855040, 79818800, 127710080, 159637600, 255420160, 319275200, 638550400, 1277100800]

約数ペア:

[(1, 1277100800), (2, 638550400), (4, 319275200), (5, 255420160), (8, 159637600), (10, 127710080), (16, 79818800), (20, 63855040), (25, 51084032), (31, 41196800), (32, 39909400), (40, 31927520), (41, 31148800), (50, 25542016), (62, 20598400), (64, 19954700), (80, 15963760), (82, 15574400), (100, 12771008), (124, 10299200), (128, 9977350), (155, 8239360), (157, 8134400), (160, 7981880), (164, 7787200), (200, 6385504), (205, 6229760), (248, 5149600), (256, 4988675), (310, 4119680), (314, 4067200), (320, 3990940), (328, 3893600), (400, 3192752), (410, 3114880), (496, 2574800), (620, 2059840), (628, 2033600), (640, 1995470), (656, 1946800), (775, 1647872), (785, 1626880), (800, 1596376), (820, 1557440), (992, 1287400), (1025, 1245952), (1240, 1029920), (1256, 1016800), (1271, 1004800), (1280, 997735), (1312, 973400), (1550, 823936), (1570, 813440), (1600, 798188), (1640, 778720), (1984, 643700), (2050, 622976), (2480, 514960), (2512, 508400), (2542, 502400), (2624, 486700), (3100, 411968), (3140, 406720), (3200, 399094), (3280, 389360), (3925, 325376), (3968, 321850), (4100, 311488), (4867, 262400), (4960, 257480), (5024, 254200), (5084, 251200), (5248, 243350), (6200, 205984), (6280, 203360), (6355, 200960), (6400, 199547), (6437, 198400), (6560, 194680), (7850, 162688), (7936, 160925), (8200, 155744), (9734, 131200), (9920, 128740), (10048, 127100), (10168, 125600), (10496, 121675), (12400, 102992), (12560, 101680), (12710, 100480), (12874, 99200), (13120, 97340), (15700, 81344), (16400, 77872), (19468, 65600), (19840, 64370), (20096, 63550), (20336, 62800), (24335, 52480), (24800, 51496), (25120, 50840), (25420, 50240), (25748, 49600), (26240, 48670), (31400, 40672), (31775, 40192), (32185, 39680), (32800, 38936)]