256582080

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:569

約数の個数: 280

約数和(自身を含む): 962588880

約数和(自身を除く): 706006800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 270, 285, 288, 304, 320, 324, 342, 360, 380, 405, 432, 456, 480, 513, 521, 540, 570, 576, 608, 648, 684, 720, 760, 810, 855, 864, 912, 960, 1026, 1042, 1080, 1140, 1216, 1296, 1368, 1440, 1520, 1539, 1563, 1620, 1710, 1728, 1824, 2052, 2084, 2160, 2280, 2565, 2592, 2605, 2736, 2880, 3040, 3078, 3126, 3240, 3420, 3648, 4104, 4168, 4320, 4560, 4689, 5130, 5184, 5210, 5472, 6080, 6156, 6252, 6480, 6840, 7695, 7815, 8208, 8336, 8640, 9120, 9378, 9899, 10260, 10420, 10944, 12312, 12504, 12960, 13680, 14067, 15390, 15630, 16416, 16672, 18240, 18756, 19798, 20520, 20840, 23445, 24624, 25008, 25920, 27360, 28134, 29697, 30780, 31260, 32832, 33344, 37512, 39596, 41040, 41680, 42201, 46890, 49248, 49495, 50016, 54720, 56268, 59394, 61560, 62520, 70335, 75024, 79192, 82080, 83360, 84402, 89091, 93780, 98496, 98990, 100032, 112536, 118788, 123120, 125040, 140670, 148485, 150048, 158384, 164160, 166720, 168804, 178182, 187560, 197980, 211005, 225072, 237576, 246240, 250080, 267273, 281340, 296970, 300096, 316768, 337608, 356364, 375120, 395960, 422010, 445455, 450144, 475152, 492480, 500160, 534546, 562680, 593940, 633536, 675216, 712728, 750240, 791920, 801819, 844020, 890910, 900288, 950304, 1069092, 1125360, 1187880, 1336365, 1350432, 1425456, 1500480, 1583840, 1603638, 1688040, 1781820, 1900608, 2138184, 2250720, 2375760, 2672730, 2700864, 2850912, 3167680, 3207276, 3376080, 3563640, 4009095, 4276368, 4501440, 4751520, 5345460, 5701824, 6414552, 6752160, 7127280, 8018190, 8552736, 9503040, 10690920, 12829104, 13504320, 14254560, 16036380, 17105472, 21381840, 25658208, 28509120, 32072760, 42763680, 51316416, 64145520, 85527360, 128291040, 256582080]

約数ペア:

[(1, 256582080), (2, 128291040), (3, 85527360), (4, 64145520), (5, 51316416), (6, 42763680), (8, 32072760), (9, 28509120), (10, 25658208), (12, 21381840), (15, 17105472), (16, 16036380), (18, 14254560), (19, 13504320), (20, 12829104), (24, 10690920), (27, 9503040), (30, 8552736), (32, 8018190), (36, 7127280), (38, 6752160), (40, 6414552), (45, 5701824), (48, 5345460), (54, 4751520), (57, 4501440), (60, 4276368), (64, 4009095), (72, 3563640), (76, 3376080), (80, 3207276), (81, 3167680), (90, 2850912), (95, 2700864), (96, 2672730), (108, 2375760), (114, 2250720), (120, 2138184), (135, 1900608), (144, 1781820), (152, 1688040), (160, 1603638), (162, 1583840), (171, 1500480), (180, 1425456), (190, 1350432), (192, 1336365), (216, 1187880), (228, 1125360), (240, 1069092), (270, 950304), (285, 900288), (288, 890910), (304, 844020), (320, 801819), (324, 791920), (342, 750240), (360, 712728), (380, 675216), (405, 633536), (432, 593940), (456, 562680), (480, 534546), (513, 500160), (521, 492480), (540, 475152), (570, 450144), (576, 445455), (608, 422010), (648, 395960), (684, 375120), (720, 356364), (760, 337608), (810, 316768), (855, 300096), (864, 296970), (912, 281340), (960, 267273), (1026, 250080), (1042, 246240), (1080, 237576), (1140, 225072), (1216, 211005), (1296, 197980), (1368, 187560), (1440, 178182), (1520, 168804), (1539, 166720), (1563, 164160), (1620, 158384), (1710, 150048), (1728, 148485), (1824, 140670), (2052, 125040), (2084, 123120), (2160, 118788), (2280, 112536), (2565, 100032), (2592, 98990), (2605, 98496), (2736, 93780), (2880, 89091), (3040, 84402), (3078, 83360), (3126, 82080), (3240, 79192), (3420, 75024), (3648, 70335), (4104, 62520), (4168, 61560), (4320, 59394), (4560, 56268), (4689, 54720), (5130, 50016), (5184, 49495), (5210, 49248), (5472, 46890), (6080, 42201), (6156, 41680), (6252, 41040), (6480, 39596), (6840, 37512), (7695, 33344), (7815, 32832), (8208, 31260), (8336, 30780), (8640, 29697), (9120, 28134), (9378, 27360), (9899, 25920), (10260, 25008), (10420, 24624), (10944, 23445), (12312, 20840), (12504, 20520), (12960, 19798), (13680, 18756), (14067, 18240), (15390, 16672), (15630, 16416)]