19415760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 240

約数和(自身を含む): 75995136

約数和(自身を除く): 56579376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 127, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 254, 260, 273, 280, 294, 312, 336, 364, 381, 390, 392, 420, 455, 490, 508, 520, 546, 560, 588, 624, 635, 637, 728, 735, 762, 780, 784, 840, 889, 910, 980, 1016, 1040, 1092, 1176, 1270, 1274, 1365, 1456, 1470, 1524, 1560, 1651, 1680, 1778, 1820, 1905, 1911, 1960, 2032, 2184, 2352, 2540, 2548, 2667, 2730, 2940, 3048, 3120, 3185, 3302, 3556, 3640, 3810, 3822, 3920, 4368, 4445, 4953, 5080, 5096, 5334, 5460, 5880, 6096, 6223, 6370, 6604, 7112, 7280, 7620, 7644, 8255, 8890, 9555, 9906, 10160, 10192, 10668, 10920, 11557, 11760, 12446, 12740, 13208, 13335, 14224, 15240, 15288, 16510, 17780, 18669, 19110, 19812, 21336, 21840, 23114, 24765, 24892, 25480, 26416, 26670, 30480, 30576, 31115, 33020, 34671, 35560, 37338, 38220, 39624, 42672, 46228, 49530, 49784, 50960, 53340, 57785, 62230, 66040, 69342, 71120, 74676, 76440, 79248, 80899, 92456, 93345, 99060, 99568, 106680, 115570, 124460, 132080, 138684, 149352, 152880, 161798, 173355, 184912, 186690, 198120, 213360, 231140, 242697, 248920, 277368, 298704, 323596, 346710, 373380, 396240, 404495, 462280, 485394, 497840, 554736, 647192, 693420, 746760, 808990, 924560, 970788, 1213485, 1294384, 1386840, 1493520, 1617980, 1941576, 2426970, 2773680, 3235960, 3883152, 4853940, 6471920, 9707880, 19415760]

約数ペア:

[(1, 19415760), (2, 9707880), (3, 6471920), (4, 4853940), (5, 3883152), (6, 3235960), (7, 2773680), (8, 2426970), (10, 1941576), (12, 1617980), (13, 1493520), (14, 1386840), (15, 1294384), (16, 1213485), (20, 970788), (21, 924560), (24, 808990), (26, 746760), (28, 693420), (30, 647192), (35, 554736), (39, 497840), (40, 485394), (42, 462280), (48, 404495), (49, 396240), (52, 373380), (56, 346710), (60, 323596), (65, 298704), (70, 277368), (78, 248920), (80, 242697), (84, 231140), (91, 213360), (98, 198120), (104, 186690), (105, 184912), (112, 173355), (120, 161798), (127, 152880), (130, 149352), (140, 138684), (147, 132080), (156, 124460), (168, 115570), (182, 106680), (195, 99568), (196, 99060), (208, 93345), (210, 92456), (240, 80899), (245, 79248), (254, 76440), (260, 74676), (273, 71120), (280, 69342), (294, 66040), (312, 62230), (336, 57785), (364, 53340), (381, 50960), (390, 49784), (392, 49530), (420, 46228), (455, 42672), (490, 39624), (508, 38220), (520, 37338), (546, 35560), (560, 34671), (588, 33020), (624, 31115), (635, 30576), (637, 30480), (728, 26670), (735, 26416), (762, 25480), (780, 24892), (784, 24765), (840, 23114), (889, 21840), (910, 21336), (980, 19812), (1016, 19110), (1040, 18669), (1092, 17780), (1176, 16510), (1270, 15288), (1274, 15240), (1365, 14224), (1456, 13335), (1470, 13208), (1524, 12740), (1560, 12446), (1651, 11760), (1680, 11557), (1778, 10920), (1820, 10668), (1905, 10192), (1911, 10160), (1960, 9906), (2032, 9555), (2184, 8890), (2352, 8255), (2540, 7644), (2548, 7620), (2667, 7280), (2730, 7112), (2940, 6604), (3048, 6370), (3120, 6223), (3185, 6096), (3302, 5880), (3556, 5460), (3640, 5334), (3810, 5096), (3822, 5080), (3920, 4953), (4368, 4445)]