128263680

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:341

約数の個数: 240

約数和(自身を含む): 469188720

約数和(自身を除く): 340925040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 64, 72, 76, 80, 90, 95, 96, 114, 120, 128, 144, 152, 160, 171, 180, 190, 192, 228, 240, 256, 285, 288, 293, 304, 320, 342, 360, 380, 384, 456, 480, 512, 570, 576, 586, 608, 640, 684, 720, 760, 768, 855, 879, 912, 960, 1140, 1152, 1172, 1216, 1280, 1368, 1440, 1465, 1520, 1536, 1710, 1758, 1824, 1920, 2280, 2304, 2344, 2432, 2560, 2637, 2736, 2880, 2930, 3040, 3420, 3516, 3648, 3840, 4395, 4560, 4608, 4688, 4864, 5274, 5472, 5567, 5760, 5860, 6080, 6840, 7032, 7296, 7680, 8790, 9120, 9376, 9728, 10548, 10944, 11134, 11520, 11720, 12160, 13185, 13680, 14064, 14592, 16701, 17580, 18240, 18752, 21096, 21888, 22268, 23040, 23440, 24320, 26370, 27360, 27835, 28128, 29184, 33402, 35160, 36480, 37504, 42192, 43776, 44536, 46880, 48640, 50103, 52740, 54720, 55670, 56256, 66804, 70320, 72960, 75008, 83505, 84384, 87552, 89072, 93760, 100206, 105480, 109440, 111340, 112512, 133608, 140640, 145920, 150016, 167010, 168768, 178144, 187520, 200412, 210960, 218880, 222680, 225024, 250515, 267216, 281280, 334020, 337536, 356288, 375040, 400824, 421920, 437760, 445360, 450048, 501030, 534432, 562560, 668040, 675072, 712576, 750080, 801648, 843840, 890720, 1002060, 1068864, 1125120, 1336080, 1350144, 1425152, 1603296, 1687680, 1781440, 2004120, 2137728, 2250240, 2672160, 2850304, 3206592, 3375360, 3562880, 4008240, 4275456, 5344320, 6413184, 6750720, 7125760, 8016480, 8550912, 10688640, 12826368, 14251520, 16032960, 21377280, 25652736, 32065920, 42754560, 64131840, 128263680]

約数ペア:

[(1, 128263680), (2, 64131840), (3, 42754560), (4, 32065920), (5, 25652736), (6, 21377280), (8, 16032960), (9, 14251520), (10, 12826368), (12, 10688640), (15, 8550912), (16, 8016480), (18, 7125760), (19, 6750720), (20, 6413184), (24, 5344320), (30, 4275456), (32, 4008240), (36, 3562880), (38, 3375360), (40, 3206592), (45, 2850304), (48, 2672160), (57, 2250240), (60, 2137728), (64, 2004120), (72, 1781440), (76, 1687680), (80, 1603296), (90, 1425152), (95, 1350144), (96, 1336080), (114, 1125120), (120, 1068864), (128, 1002060), (144, 890720), (152, 843840), (160, 801648), (171, 750080), (180, 712576), (190, 675072), (192, 668040), (228, 562560), (240, 534432), (256, 501030), (285, 450048), (288, 445360), (293, 437760), (304, 421920), (320, 400824), (342, 375040), (360, 356288), (380, 337536), (384, 334020), (456, 281280), (480, 267216), (512, 250515), (570, 225024), (576, 222680), (586, 218880), (608, 210960), (640, 200412), (684, 187520), (720, 178144), (760, 168768), (768, 167010), (855, 150016), (879, 145920), (912, 140640), (960, 133608), (1140, 112512), (1152, 111340), (1172, 109440), (1216, 105480), (1280, 100206), (1368, 93760), (1440, 89072), (1465, 87552), (1520, 84384), (1536, 83505), (1710, 75008), (1758, 72960), (1824, 70320), (1920, 66804), (2280, 56256), (2304, 55670), (2344, 54720), (2432, 52740), (2560, 50103), (2637, 48640), (2736, 46880), (2880, 44536), (2930, 43776), (3040, 42192), (3420, 37504), (3516, 36480), (3648, 35160), (3840, 33402), (4395, 29184), (4560, 28128), (4608, 27835), (4688, 27360), (4864, 26370), (5274, 24320), (5472, 23440), (5567, 23040), (5760, 22268), (5860, 21888), (6080, 21096), (6840, 18752), (7032, 18240), (7296, 17580), (7680, 16701), (8790, 14592), (9120, 14064), (9376, 13680), (9728, 13185), (10548, 12160), (10944, 11720), (11134, 11520)]