212901840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:314

約数の個数: 240

約数和(自身を含む): 766022400

約数和(自身を除く): 553120560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 79, 80, 90, 95, 114, 120, 144, 152, 158, 171, 180, 190, 197, 228, 237, 240, 285, 304, 316, 342, 360, 380, 394, 395, 456, 474, 570, 591, 632, 684, 711, 720, 760, 788, 790, 855, 912, 948, 985, 1140, 1182, 1185, 1264, 1368, 1422, 1501, 1520, 1576, 1580, 1710, 1773, 1896, 1970, 2280, 2364, 2370, 2736, 2844, 2955, 3002, 3152, 3160, 3420, 3546, 3555, 3743, 3792, 3940, 4503, 4560, 4728, 4740, 5688, 5910, 6004, 6320, 6840, 7092, 7110, 7486, 7505, 7880, 8865, 9006, 9456, 9480, 11229, 11376, 11820, 12008, 13509, 13680, 14184, 14220, 14972, 15010, 15563, 15760, 17730, 18012, 18715, 18960, 22458, 22515, 23640, 24016, 27018, 28368, 28440, 29944, 30020, 31126, 33687, 35460, 36024, 37430, 44916, 45030, 46689, 47280, 54036, 56145, 56880, 59888, 60040, 62252, 67374, 67545, 70920, 72048, 74860, 77815, 89832, 90060, 93378, 108072, 112290, 120080, 124504, 134748, 135090, 140067, 141840, 149720, 155630, 168435, 179664, 180120, 186756, 216144, 224580, 233445, 249008, 269496, 270180, 280134, 295697, 299440, 311260, 336870, 360240, 373512, 449160, 466890, 538992, 540360, 560268, 591394, 622520, 673740, 700335, 747024, 887091, 898320, 933780, 1080720, 1120536, 1182788, 1245040, 1347480, 1400670, 1478485, 1774182, 1867560, 2241072, 2365576, 2661273, 2694960, 2801340, 2956970, 3548364, 3735120, 4435455, 4731152, 5322546, 5602680, 5913940, 7096728, 8870910, 10645092, 11205360, 11827880, 13306365, 14193456, 17741820, 21290184, 23655760, 26612730, 35483640, 42580368, 53225460, 70967280, 106450920, 212901840]

約数ペア:

[(1, 212901840), (2, 106450920), (3, 70967280), (4, 53225460), (5, 42580368), (6, 35483640), (8, 26612730), (9, 23655760), (10, 21290184), (12, 17741820), (15, 14193456), (16, 13306365), (18, 11827880), (19, 11205360), (20, 10645092), (24, 8870910), (30, 7096728), (36, 5913940), (38, 5602680), (40, 5322546), (45, 4731152), (48, 4435455), (57, 3735120), (60, 3548364), (72, 2956970), (76, 2801340), (79, 2694960), (80, 2661273), (90, 2365576), (95, 2241072), (114, 1867560), (120, 1774182), (144, 1478485), (152, 1400670), (158, 1347480), (171, 1245040), (180, 1182788), (190, 1120536), (197, 1080720), (228, 933780), (237, 898320), (240, 887091), (285, 747024), (304, 700335), (316, 673740), (342, 622520), (360, 591394), (380, 560268), (394, 540360), (395, 538992), (456, 466890), (474, 449160), (570, 373512), (591, 360240), (632, 336870), (684, 311260), (711, 299440), (720, 295697), (760, 280134), (788, 270180), (790, 269496), (855, 249008), (912, 233445), (948, 224580), (985, 216144), (1140, 186756), (1182, 180120), (1185, 179664), (1264, 168435), (1368, 155630), (1422, 149720), (1501, 141840), (1520, 140067), (1576, 135090), (1580, 134748), (1710, 124504), (1773, 120080), (1896, 112290), (1970, 108072), (2280, 93378), (2364, 90060), (2370, 89832), (2736, 77815), (2844, 74860), (2955, 72048), (3002, 70920), (3152, 67545), (3160, 67374), (3420, 62252), (3546, 60040), (3555, 59888), (3743, 56880), (3792, 56145), (3940, 54036), (4503, 47280), (4560, 46689), (4728, 45030), (4740, 44916), (5688, 37430), (5910, 36024), (6004, 35460), (6320, 33687), (6840, 31126), (7092, 30020), (7110, 29944), (7486, 28440), (7505, 28368), (7880, 27018), (8865, 24016), (9006, 23640), (9456, 22515), (9480, 22458), (11229, 18960), (11376, 18715), (11820, 18012), (12008, 17730), (13509, 15760), (13680, 15563), (14184, 15010), (14220, 14972)]