1998620640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4297}}^1$

素因数の和:4354

約数の個数: 288

約数和(自身を含む): 7603333920

約数和(自身を除く): 5604713280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 32, 34, 36, 38, 40, 45, 48, 51, 57, 60, 68, 72, 76, 80, 85, 90, 95, 96, 102, 114, 120, 136, 144, 152, 153, 160, 170, 171, 180, 190, 204, 228, 240, 255, 272, 285, 288, 304, 306, 323, 340, 342, 360, 380, 408, 456, 480, 510, 544, 570, 608, 612, 646, 680, 684, 720, 760, 765, 816, 855, 912, 969, 1020, 1140, 1224, 1292, 1360, 1368, 1440, 1520, 1530, 1615, 1632, 1710, 1824, 1938, 2040, 2280, 2448, 2584, 2720, 2736, 2907, 3040, 3060, 3230, 3420, 3876, 4080, 4297, 4560, 4845, 4896, 5168, 5472, 5814, 6120, 6460, 6840, 7752, 8160, 8594, 9120, 9690, 10336, 11628, 12240, 12891, 12920, 13680, 14535, 15504, 17188, 19380, 21485, 23256, 24480, 25782, 25840, 27360, 29070, 31008, 34376, 38673, 38760, 42970, 46512, 51564, 51680, 58140, 64455, 68752, 73049, 77346, 77520, 81643, 85940, 93024, 103128, 116280, 128910, 137504, 146098, 154692, 155040, 163286, 171880, 193365, 206256, 219147, 232560, 244929, 257820, 292196, 309384, 326572, 343760, 365245, 386730, 408215, 412512, 438294, 465120, 489858, 515640, 584392, 618768, 653144, 657441, 687520, 730490, 734787, 773460, 816430, 876588, 979716, 1031280, 1095735, 1168784, 1224645, 1237536, 1306288, 1314882, 1387931, 1460980, 1469574, 1546920, 1632860, 1753176, 1959432, 2062560, 2191470, 2337568, 2449290, 2612576, 2629764, 2775862, 2921960, 2939148, 3093840, 3265720, 3287205, 3506352, 3673935, 3918864, 4163793, 4382940, 4898580, 5259528, 5551724, 5843920, 5878296, 6187680, 6531440, 6574410, 6939655, 7012704, 7347870, 7837728, 8327586, 8765880, 9797160, 10519056, 11103448, 11687840, 11756592, 12491379, 13062880, 13148820, 13879310, 14695740, 16655172, 17531760, 19594320, 20818965, 21038112, 22206896, 23513184, 24982758, 26297640, 27758620, 29391480, 33310344, 35063520, 39188640, 41637930, 44413792, 49965516, 52595280, 55517240, 58782960, 62456895, 66620688, 83275860, 99931032, 105190560, 111034480, 117565920, 124913790, 133241376, 166551720, 199862064, 222068960, 249827580, 333103440, 399724128, 499655160, 666206880, 999310320, 1998620640]

約数ペア:

[(1, 1998620640), (2, 999310320), (3, 666206880), (4, 499655160), (5, 399724128), (6, 333103440), (8, 249827580), (9, 222068960), (10, 199862064), (12, 166551720), (15, 133241376), (16, 124913790), (17, 117565920), (18, 111034480), (19, 105190560), (20, 99931032), (24, 83275860), (30, 66620688), (32, 62456895), (34, 58782960), (36, 55517240), (38, 52595280), (40, 49965516), (45, 44413792), (48, 41637930), (51, 39188640), (57, 35063520), (60, 33310344), (68, 29391480), (72, 27758620), (76, 26297640), (80, 24982758), (85, 23513184), (90, 22206896), (95, 21038112), (96, 20818965), (102, 19594320), (114, 17531760), (120, 16655172), (136, 14695740), (144, 13879310), (152, 13148820), (153, 13062880), (160, 12491379), (170, 11756592), (171, 11687840), (180, 11103448), (190, 10519056), (204, 9797160), (228, 8765880), (240, 8327586), (255, 7837728), (272, 7347870), (285, 7012704), (288, 6939655), (304, 6574410), (306, 6531440), (323, 6187680), (340, 5878296), (342, 5843920), (360, 5551724), (380, 5259528), (408, 4898580), (456, 4382940), (480, 4163793), (510, 3918864), (544, 3673935), (570, 3506352), (608, 3287205), (612, 3265720), (646, 3093840), (680, 2939148), (684, 2921960), (720, 2775862), (760, 2629764), (765, 2612576), (816, 2449290), (855, 2337568), (912, 2191470), (969, 2062560), (1020, 1959432), (1140, 1753176), (1224, 1632860), (1292, 1546920), (1360, 1469574), (1368, 1460980), (1440, 1387931), (1520, 1314882), (1530, 1306288), (1615, 1237536), (1632, 1224645), (1710, 1168784), (1824, 1095735), (1938, 1031280), (2040, 979716), (2280, 876588), (2448, 816430), (2584, 773460), (2720, 734787), (2736, 730490), (2907, 687520), (3040, 657441), (3060, 653144), (3230, 618768), (3420, 584392), (3876, 515640), (4080, 489858), (4297, 465120), (4560, 438294), (4845, 412512), (4896, 408215), (5168, 386730), (5472, 365245), (5814, 343760), (6120, 326572), (6460, 309384), (6840, 292196), (7752, 257820), (8160, 244929), (8594, 232560), (9120, 219147), (9690, 206256), (10336, 193365), (11628, 171880), (12240, 163286), (12891, 155040), (12920, 154692), (13680, 146098), (14535, 137504), (15504, 128910), (17188, 116280), (19380, 103128), (21485, 93024), (23256, 85940), (24480, 81643), (25782, 77520), (25840, 77346), (27360, 73049), (29070, 68752), (31008, 64455), (34376, 58140), (38673, 51680), (38760, 51564), (42970, 46512)]