71722560

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:861

約数の個数: 224

約数和(自身を含む): 280611072

約数和(自身を除く): 208888512

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 64, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 192, 195, 208, 210, 224, 240, 260, 273, 280, 312, 320, 336, 364, 390, 416, 420, 448, 455, 480, 520, 546, 560, 624, 672, 728, 780, 821, 832, 840, 910, 960, 1040, 1092, 1120, 1248, 1344, 1365, 1456, 1560, 1642, 1680, 1820, 2080, 2184, 2240, 2463, 2496, 2730, 2912, 3120, 3284, 3360, 3640, 4105, 4160, 4368, 4926, 5460, 5747, 5824, 6240, 6568, 6720, 7280, 8210, 8736, 9852, 10673, 10920, 11494, 12315, 12480, 13136, 14560, 16420, 17241, 17472, 19704, 21346, 21840, 22988, 24630, 26272, 28735, 29120, 32019, 32840, 34482, 39408, 42692, 43680, 45976, 49260, 52544, 53365, 57470, 64038, 65680, 68964, 74711, 78816, 85384, 86205, 87360, 91952, 98520, 106730, 114940, 128076, 131360, 137928, 149422, 157632, 160095, 170768, 172410, 183904, 197040, 213460, 224133, 229880, 256152, 262720, 275856, 298844, 320190, 341536, 344820, 367808, 373555, 394080, 426920, 448266, 459760, 512304, 551712, 597688, 640380, 683072, 689640, 747110, 788160, 853840, 896532, 919520, 1024608, 1103424, 1120665, 1195376, 1280760, 1379280, 1494220, 1707680, 1793064, 1839040, 2049216, 2241330, 2390752, 2561520, 2758560, 2988440, 3415360, 3586128, 4482660, 4781504, 5123040, 5517120, 5976880, 7172256, 8965320, 10246080, 11953760, 14344512, 17930640, 23907520, 35861280, 71722560]

約数ペア:

[(1, 71722560), (2, 35861280), (3, 23907520), (4, 17930640), (5, 14344512), (6, 11953760), (7, 10246080), (8, 8965320), (10, 7172256), (12, 5976880), (13, 5517120), (14, 5123040), (15, 4781504), (16, 4482660), (20, 3586128), (21, 3415360), (24, 2988440), (26, 2758560), (28, 2561520), (30, 2390752), (32, 2241330), (35, 2049216), (39, 1839040), (40, 1793064), (42, 1707680), (48, 1494220), (52, 1379280), (56, 1280760), (60, 1195376), (64, 1120665), (65, 1103424), (70, 1024608), (78, 919520), (80, 896532), (84, 853840), (91, 788160), (96, 747110), (104, 689640), (105, 683072), (112, 640380), (120, 597688), (130, 551712), (140, 512304), (156, 459760), (160, 448266), (168, 426920), (182, 394080), (192, 373555), (195, 367808), (208, 344820), (210, 341536), (224, 320190), (240, 298844), (260, 275856), (273, 262720), (280, 256152), (312, 229880), (320, 224133), (336, 213460), (364, 197040), (390, 183904), (416, 172410), (420, 170768), (448, 160095), (455, 157632), (480, 149422), (520, 137928), (546, 131360), (560, 128076), (624, 114940), (672, 106730), (728, 98520), (780, 91952), (821, 87360), (832, 86205), (840, 85384), (910, 78816), (960, 74711), (1040, 68964), (1092, 65680), (1120, 64038), (1248, 57470), (1344, 53365), (1365, 52544), (1456, 49260), (1560, 45976), (1642, 43680), (1680, 42692), (1820, 39408), (2080, 34482), (2184, 32840), (2240, 32019), (2463, 29120), (2496, 28735), (2730, 26272), (2912, 24630), (3120, 22988), (3284, 21840), (3360, 21346), (3640, 19704), (4105, 17472), (4160, 17241), (4368, 16420), (4926, 14560), (5460, 13136), (5747, 12480), (5824, 12315), (6240, 11494), (6568, 10920), (6720, 10673), (7280, 9852), (8210, 8736)]