1638857520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:780

約数の個数: 240

約数和(自身を含む): 5700251232

約数和(自身を除く): 4061393712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 67, 72, 80, 90, 106, 120, 134, 144, 159, 180, 201, 212, 240, 265, 268, 318, 335, 360, 402, 424, 477, 530, 536, 603, 636, 641, 670, 720, 795, 804, 848, 954, 1005, 1060, 1072, 1206, 1272, 1282, 1340, 1590, 1608, 1908, 1923, 2010, 2120, 2385, 2412, 2544, 2564, 2680, 3015, 3180, 3205, 3216, 3551, 3816, 3846, 4020, 4240, 4770, 4824, 5128, 5360, 5769, 6030, 6360, 6410, 7102, 7632, 7692, 8040, 9540, 9615, 9648, 10256, 10653, 11538, 12060, 12720, 12820, 14204, 15384, 16080, 17755, 19080, 19230, 21306, 23076, 24120, 25640, 28408, 28845, 30768, 31959, 33973, 35510, 38160, 38460, 42612, 42947, 46152, 48240, 51280, 53265, 56816, 57690, 63918, 67946, 71020, 76920, 85224, 85894, 92304, 101919, 106530, 115380, 127836, 128841, 135892, 142040, 153840, 159795, 169865, 170448, 171788, 203838, 213060, 214735, 230760, 255672, 257682, 271784, 284080, 305757, 319590, 339730, 343576, 386523, 407676, 426120, 429470, 461520, 509595, 511344, 515364, 543568, 611514, 639180, 644205, 679460, 687152, 773046, 815352, 852240, 858940, 1019190, 1030728, 1223028, 1278360, 1288410, 1358920, 1528785, 1546092, 1630704, 1717880, 1932615, 2038380, 2061456, 2276191, 2446056, 2556720, 2576820, 2717840, 3057570, 3092184, 3435760, 3865230, 4076760, 4552382, 4892112, 5153640, 6115140, 6184368, 6828573, 7730460, 8153520, 9104764, 10307280, 11380955, 12230280, 13657146, 15460920, 18209528, 20485719, 22761910, 24460560, 27314292, 30921840, 34142865, 36419056, 40971438, 45523820, 54628584, 68285730, 81942876, 91047640, 102428595, 109257168, 136571460, 163885752, 182095280, 204857190, 273142920, 327771504, 409714380, 546285840, 819428760, 1638857520]

約数ペア:

[(1, 1638857520), (2, 819428760), (3, 546285840), (4, 409714380), (5, 327771504), (6, 273142920), (8, 204857190), (9, 182095280), (10, 163885752), (12, 136571460), (15, 109257168), (16, 102428595), (18, 91047640), (20, 81942876), (24, 68285730), (30, 54628584), (36, 45523820), (40, 40971438), (45, 36419056), (48, 34142865), (53, 30921840), (60, 27314292), (67, 24460560), (72, 22761910), (80, 20485719), (90, 18209528), (106, 15460920), (120, 13657146), (134, 12230280), (144, 11380955), (159, 10307280), (180, 9104764), (201, 8153520), (212, 7730460), (240, 6828573), (265, 6184368), (268, 6115140), (318, 5153640), (335, 4892112), (360, 4552382), (402, 4076760), (424, 3865230), (477, 3435760), (530, 3092184), (536, 3057570), (603, 2717840), (636, 2576820), (641, 2556720), (670, 2446056), (720, 2276191), (795, 2061456), (804, 2038380), (848, 1932615), (954, 1717880), (1005, 1630704), (1060, 1546092), (1072, 1528785), (1206, 1358920), (1272, 1288410), (1282, 1278360), (1340, 1223028), (1590, 1030728), (1608, 1019190), (1908, 858940), (1923, 852240), (2010, 815352), (2120, 773046), (2385, 687152), (2412, 679460), (2544, 644205), (2564, 639180), (2680, 611514), (3015, 543568), (3180, 515364), (3205, 511344), (3216, 509595), (3551, 461520), (3816, 429470), (3846, 426120), (4020, 407676), (4240, 386523), (4770, 343576), (4824, 339730), (5128, 319590), (5360, 305757), (5769, 284080), (6030, 271784), (6360, 257682), (6410, 255672), (7102, 230760), (7632, 214735), (7692, 213060), (8040, 203838), (9540, 171788), (9615, 170448), (9648, 169865), (10256, 159795), (10653, 153840), (11538, 142040), (12060, 135892), (12720, 128841), (12820, 127836), (14204, 115380), (15384, 106530), (16080, 101919), (17755, 92304), (19080, 85894), (19230, 85224), (21306, 76920), (23076, 71020), (24120, 67946), (25640, 63918), (28408, 57690), (28845, 56816), (30768, 53265), (31959, 51280), (33973, 48240), (35510, 46152), (38160, 42947), (38460, 42612)]