161375760

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:863

約数の個数: 320

約数和(自身を含む): 684956160

約数和(自身を除く): 523580400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 168, 180, 182, 189, 195, 208, 210, 216, 234, 240, 252, 260, 270, 273, 280, 312, 315, 336, 351, 360, 364, 378, 390, 420, 432, 455, 468, 504, 520, 540, 546, 560, 585, 624, 630, 702, 720, 728, 756, 780, 819, 821, 840, 910, 936, 945, 1008, 1040, 1080, 1092, 1170, 1260, 1365, 1404, 1456, 1512, 1560, 1638, 1642, 1680, 1755, 1820, 1872, 1890, 2160, 2184, 2340, 2457, 2463, 2520, 2730, 2808, 3024, 3120, 3276, 3284, 3510, 3640, 3780, 4095, 4105, 4368, 4680, 4914, 4926, 5040, 5460, 5616, 5747, 6552, 6568, 7020, 7280, 7389, 7560, 8190, 8210, 9360, 9828, 9852, 10673, 10920, 11494, 12285, 12315, 13104, 13136, 14040, 14778, 15120, 16380, 16420, 17241, 19656, 19704, 21346, 21840, 22167, 22988, 24570, 24630, 28080, 28735, 29556, 32019, 32760, 32840, 34482, 36945, 39312, 39408, 42692, 44334, 45976, 49140, 49260, 51723, 53365, 57470, 59112, 64038, 65520, 65680, 68964, 73890, 74711, 85384, 86205, 88668, 91952, 96057, 98280, 98520, 103446, 106730, 110835, 114940, 118224, 128076, 137928, 147780, 149422, 155169, 160095, 170768, 172410, 177336, 192114, 196560, 197040, 206892, 213460, 221670, 224133, 229880, 256152, 258615, 275856, 288171, 295560, 298844, 310338, 320190, 344820, 354672, 373555, 384228, 413784, 426920, 443340, 448266, 459760, 480285, 512304, 517230, 576342, 591120, 597688, 620676, 640380, 672399, 689640, 747110, 768456, 775845, 827568, 853840, 886680, 896532, 960570, 1034460, 1120665, 1152684, 1195376, 1241352, 1280760, 1344798, 1379280, 1440855, 1494220, 1536912, 1551690, 1773360, 1793064, 1921140, 2017197, 2068920, 2241330, 2305368, 2482704, 2561520, 2689596, 2881710, 2988440, 3103380, 3361995, 3586128, 3842280, 4034394, 4137840, 4482660, 4610736, 5379192, 5763420, 5976880, 6206760, 6723990, 7684560, 8068788, 8965320, 10085985, 10758384, 11526840, 12413520, 13447980, 16137576, 17930640, 20171970, 23053680, 26895960, 32275152, 40343940, 53791920, 80687880, 161375760]

約数ペア:

[(1, 161375760), (2, 80687880), (3, 53791920), (4, 40343940), (5, 32275152), (6, 26895960), (7, 23053680), (8, 20171970), (9, 17930640), (10, 16137576), (12, 13447980), (13, 12413520), (14, 11526840), (15, 10758384), (16, 10085985), (18, 8965320), (20, 8068788), (21, 7684560), (24, 6723990), (26, 6206760), (27, 5976880), (28, 5763420), (30, 5379192), (35, 4610736), (36, 4482660), (39, 4137840), (40, 4034394), (42, 3842280), (45, 3586128), (48, 3361995), (52, 3103380), (54, 2988440), (56, 2881710), (60, 2689596), (63, 2561520), (65, 2482704), (70, 2305368), (72, 2241330), (78, 2068920), (80, 2017197), (84, 1921140), (90, 1793064), (91, 1773360), (104, 1551690), (105, 1536912), (108, 1494220), (112, 1440855), (117, 1379280), (120, 1344798), (126, 1280760), (130, 1241352), (135, 1195376), (140, 1152684), (144, 1120665), (156, 1034460), (168, 960570), (180, 896532), (182, 886680), (189, 853840), (195, 827568), (208, 775845), (210, 768456), (216, 747110), (234, 689640), (240, 672399), (252, 640380), (260, 620676), (270, 597688), (273, 591120), (280, 576342), (312, 517230), (315, 512304), (336, 480285), (351, 459760), (360, 448266), (364, 443340), (378, 426920), (390, 413784), (420, 384228), (432, 373555), (455, 354672), (468, 344820), (504, 320190), (520, 310338), (540, 298844), (546, 295560), (560, 288171), (585, 275856), (624, 258615), (630, 256152), (702, 229880), (720, 224133), (728, 221670), (756, 213460), (780, 206892), (819, 197040), (821, 196560), (840, 192114), (910, 177336), (936, 172410), (945, 170768), (1008, 160095), (1040, 155169), (1080, 149422), (1092, 147780), (1170, 137928), (1260, 128076), (1365, 118224), (1404, 114940), (1456, 110835), (1512, 106730), (1560, 103446), (1638, 98520), (1642, 98280), (1680, 96057), (1755, 91952), (1820, 88668), (1872, 86205), (1890, 85384), (2160, 74711), (2184, 73890), (2340, 68964), (2457, 65680), (2463, 65520), (2520, 64038), (2730, 59112), (2808, 57470), (3024, 53365), (3120, 51723), (3276, 49260), (3284, 49140), (3510, 45976), (3640, 44334), (3780, 42692), (4095, 39408), (4105, 39312), (4368, 36945), (4680, 34482), (4914, 32840), (4926, 32760), (5040, 32019), (5460, 29556), (5616, 28735), (5747, 28080), (6552, 24630), (6568, 24570), (7020, 22988), (7280, 22167), (7389, 21840), (7560, 21346), (8190, 19704), (8210, 19656), (9360, 17241), (9828, 16420), (9852, 16380), (10673, 15120), (10920, 14778), (11494, 14040), (12285, 13136), (12315, 13104)]