81787225600

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3889}}^1$

素因数の和:4001

約数の個数: 240

約数和(自身を含む): 213172248960

約数和(自身を除く): 131385023360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 53, 62, 64, 80, 100, 106, 124, 128, 155, 160, 200, 212, 248, 256, 265, 310, 320, 400, 424, 496, 512, 530, 620, 640, 775, 800, 848, 992, 1060, 1240, 1280, 1325, 1550, 1600, 1643, 1696, 1984, 2120, 2480, 2560, 2650, 3100, 3200, 3286, 3392, 3889, 3968, 4240, 4960, 5300, 6200, 6400, 6572, 6784, 7778, 7936, 8215, 8480, 9920, 10600, 12400, 12800, 13144, 13568, 15556, 15872, 16430, 16960, 19445, 19840, 21200, 24800, 26288, 27136, 31112, 32860, 33920, 38890, 39680, 41075, 42400, 49600, 52576, 62224, 65720, 67840, 77780, 79360, 82150, 84800, 97225, 99200, 105152, 120559, 124448, 131440, 135680, 155560, 164300, 169600, 194450, 198400, 206117, 210304, 241118, 248896, 262880, 311120, 328600, 339200, 388900, 396800, 412234, 420608, 482236, 497792, 525760, 602795, 622240, 657200, 678400, 777800, 824468, 841216, 964472, 995584, 1030585, 1051520, 1205590, 1244480, 1314400, 1555600, 1648936, 1928944, 1991168, 2061170, 2103040, 2411180, 2488960, 2628800, 3013975, 3111200, 3297872, 3857888, 4122340, 4206080, 4822360, 4977920, 5152925, 5257600, 6027950, 6222400, 6389627, 6595744, 7715776, 8244680, 9644720, 9955840, 10305850, 10515200, 12055900, 12444800, 12779254, 13191488, 15431552, 16489360, 19289440, 20611700, 21030400, 24111800, 24889600, 25558508, 26382976, 30863104, 31948135, 32978720, 38578880, 41223400, 48223600, 49779200, 51117016, 52765952, 61726208, 63896270, 65957440, 77157760, 82446800, 96447200, 102234032, 105531904, 127792540, 131914880, 154315520, 159740675, 164893600, 192894400, 204468064, 255585080, 263829760, 308631040, 319481350, 329787200, 385788800, 408936128, 511170160, 527659520, 638962700, 659574400, 771577600, 817872256, 1022340320, 1277925400, 1319148800, 1543155200, 1635744512, 2044680640, 2555850800, 2638297600, 3271489024, 4089361280, 5111701600, 8178722560, 10223403200, 16357445120, 20446806400, 40893612800, 81787225600]

約数ペア:

[(1, 81787225600), (2, 40893612800), (4, 20446806400), (5, 16357445120), (8, 10223403200), (10, 8178722560), (16, 5111701600), (20, 4089361280), (25, 3271489024), (31, 2638297600), (32, 2555850800), (40, 2044680640), (50, 1635744512), (53, 1543155200), (62, 1319148800), (64, 1277925400), (80, 1022340320), (100, 817872256), (106, 771577600), (124, 659574400), (128, 638962700), (155, 527659520), (160, 511170160), (200, 408936128), (212, 385788800), (248, 329787200), (256, 319481350), (265, 308631040), (310, 263829760), (320, 255585080), (400, 204468064), (424, 192894400), (496, 164893600), (512, 159740675), (530, 154315520), (620, 131914880), (640, 127792540), (775, 105531904), (800, 102234032), (848, 96447200), (992, 82446800), (1060, 77157760), (1240, 65957440), (1280, 63896270), (1325, 61726208), (1550, 52765952), (1600, 51117016), (1643, 49779200), (1696, 48223600), (1984, 41223400), (2120, 38578880), (2480, 32978720), (2560, 31948135), (2650, 30863104), (3100, 26382976), (3200, 25558508), (3286, 24889600), (3392, 24111800), (3889, 21030400), (3968, 20611700), (4240, 19289440), (4960, 16489360), (5300, 15431552), (6200, 13191488), (6400, 12779254), (6572, 12444800), (6784, 12055900), (7778, 10515200), (7936, 10305850), (8215, 9955840), (8480, 9644720), (9920, 8244680), (10600, 7715776), (12400, 6595744), (12800, 6389627), (13144, 6222400), (13568, 6027950), (15556, 5257600), (15872, 5152925), (16430, 4977920), (16960, 4822360), (19445, 4206080), (19840, 4122340), (21200, 3857888), (24800, 3297872), (26288, 3111200), (27136, 3013975), (31112, 2628800), (32860, 2488960), (33920, 2411180), (38890, 2103040), (39680, 2061170), (41075, 1991168), (42400, 1928944), (49600, 1648936), (52576, 1555600), (62224, 1314400), (65720, 1244480), (67840, 1205590), (77780, 1051520), (79360, 1030585), (82150, 995584), (84800, 964472), (97225, 841216), (99200, 824468), (105152, 777800), (120559, 678400), (124448, 657200), (131440, 622240), (135680, 602795), (155560, 525760), (164300, 497792), (169600, 482236), (194450, 420608), (198400, 412234), (206117, 396800), (210304, 388900), (241118, 339200), (248896, 328600), (262880, 311120)]