51203880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:561

約数の個数: 256

約数和(自身を含む): 210470400

約数和(自身を除く): 159266520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 521, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1042, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1563, 1638, 1755, 1820, 1890, 2084, 2184, 2340, 2457, 2520, 2605, 2730, 2808, 3126, 3276, 3510, 3640, 3647, 3780, 4095, 4168, 4680, 4689, 4914, 5210, 5460, 6252, 6552, 6773, 7020, 7294, 7560, 7815, 8190, 9378, 9828, 10420, 10920, 10941, 12285, 12504, 13546, 14040, 14067, 14588, 15630, 16380, 18235, 18756, 19656, 20319, 20840, 21882, 23445, 24570, 27092, 28134, 29176, 31260, 32760, 32823, 33865, 36470, 37512, 40638, 43764, 46890, 47411, 49140, 54184, 54705, 56268, 60957, 62520, 65646, 67730, 70335, 72940, 81276, 87528, 93780, 94822, 98280, 98469, 101595, 109410, 112536, 121914, 131292, 135460, 140670, 142233, 145880, 162552, 164115, 182871, 187560, 189644, 196938, 203190, 218820, 237055, 243828, 262584, 270920, 281340, 284466, 304785, 328230, 365742, 379288, 393876, 406380, 426699, 437640, 474110, 487656, 492345, 562680, 568932, 609570, 656460, 711165, 731484, 787752, 812760, 853398, 914355, 948220, 984690, 1137864, 1219140, 1280097, 1312920, 1422330, 1462968, 1706796, 1828710, 1896440, 1969380, 2133495, 2438280, 2560194, 2844660, 3413592, 3657420, 3938760, 4266990, 5120388, 5689320, 6400485, 7314840, 8533980, 10240776, 12800970, 17067960, 25601940, 51203880]

約数ペア:

[(1, 51203880), (2, 25601940), (3, 17067960), (4, 12800970), (5, 10240776), (6, 8533980), (7, 7314840), (8, 6400485), (9, 5689320), (10, 5120388), (12, 4266990), (13, 3938760), (14, 3657420), (15, 3413592), (18, 2844660), (20, 2560194), (21, 2438280), (24, 2133495), (26, 1969380), (27, 1896440), (28, 1828710), (30, 1706796), (35, 1462968), (36, 1422330), (39, 1312920), (40, 1280097), (42, 1219140), (45, 1137864), (52, 984690), (54, 948220), (56, 914355), (60, 853398), (63, 812760), (65, 787752), (70, 731484), (72, 711165), (78, 656460), (84, 609570), (90, 568932), (91, 562680), (104, 492345), (105, 487656), (108, 474110), (117, 437640), (120, 426699), (126, 406380), (130, 393876), (135, 379288), (140, 365742), (156, 328230), (168, 304785), (180, 284466), (182, 281340), (189, 270920), (195, 262584), (210, 243828), (216, 237055), (234, 218820), (252, 203190), (260, 196938), (270, 189644), (273, 187560), (280, 182871), (312, 164115), (315, 162552), (351, 145880), (360, 142233), (364, 140670), (378, 135460), (390, 131292), (420, 121914), (455, 112536), (468, 109410), (504, 101595), (520, 98469), (521, 98280), (540, 94822), (546, 93780), (585, 87528), (630, 81276), (702, 72940), (728, 70335), (756, 67730), (780, 65646), (819, 62520), (840, 60957), (910, 56268), (936, 54705), (945, 54184), (1042, 49140), (1080, 47411), (1092, 46890), (1170, 43764), (1260, 40638), (1365, 37512), (1404, 36470), (1512, 33865), (1560, 32823), (1563, 32760), (1638, 31260), (1755, 29176), (1820, 28134), (1890, 27092), (2084, 24570), (2184, 23445), (2340, 21882), (2457, 20840), (2520, 20319), (2605, 19656), (2730, 18756), (2808, 18235), (3126, 16380), (3276, 15630), (3510, 14588), (3640, 14067), (3647, 14040), (3780, 13546), (4095, 12504), (4168, 12285), (4680, 10941), (4689, 10920), (4914, 10420), (5210, 9828), (5460, 9378), (6252, 8190), (6552, 7815), (6773, 7560), (7020, 7294)]