642675456

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:371

約数の個数: 216

約数和(自身を含む): 1994494320

約数和(自身を除く): 1351818864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 53, 57, 64, 72, 76, 96, 106, 114, 128, 144, 152, 159, 171, 192, 212, 228, 256, 277, 288, 304, 318, 342, 384, 424, 456, 477, 554, 576, 608, 636, 684, 768, 831, 848, 912, 954, 1007, 1108, 1152, 1216, 1272, 1368, 1662, 1696, 1824, 1908, 2014, 2216, 2304, 2432, 2493, 2544, 2736, 3021, 3324, 3392, 3648, 3816, 4028, 4432, 4864, 4986, 5088, 5263, 5472, 6042, 6648, 6784, 7296, 7632, 8056, 8864, 9063, 9972, 10176, 10526, 10944, 12084, 13296, 13568, 14592, 14681, 15264, 15789, 16112, 17728, 18126, 19944, 20352, 21052, 21888, 24168, 26592, 29362, 30528, 31578, 32224, 35456, 36252, 39888, 40704, 42104, 43776, 44043, 47367, 48336, 53184, 58724, 61056, 63156, 64448, 70912, 72504, 79776, 84208, 88086, 94734, 96672, 106368, 117448, 122112, 126312, 128896, 132129, 145008, 159552, 168416, 176172, 189468, 193344, 212736, 234896, 252624, 257792, 264258, 278939, 290016, 319104, 336832, 352344, 378936, 386688, 469792, 505248, 528516, 557878, 580032, 638208, 673664, 704688, 757872, 773376, 836817, 939584, 1010496, 1057032, 1115756, 1160064, 1347328, 1409376, 1515744, 1673634, 1879168, 2020992, 2114064, 2231512, 2320128, 2510451, 2818752, 3031488, 3347268, 3758336, 4041984, 4228128, 4463024, 5020902, 5637504, 6062976, 6694536, 8456256, 8926048, 10041804, 11275008, 12125952, 13389072, 16912512, 17852096, 20083608, 26778144, 33825024, 35704192, 40167216, 53556288, 71408384, 80334432, 107112576, 160668864, 214225152, 321337728, 642675456]

約数ペア:

[(1, 642675456), (2, 321337728), (3, 214225152), (4, 160668864), (6, 107112576), (8, 80334432), (9, 71408384), (12, 53556288), (16, 40167216), (18, 35704192), (19, 33825024), (24, 26778144), (32, 20083608), (36, 17852096), (38, 16912512), (48, 13389072), (53, 12125952), (57, 11275008), (64, 10041804), (72, 8926048), (76, 8456256), (96, 6694536), (106, 6062976), (114, 5637504), (128, 5020902), (144, 4463024), (152, 4228128), (159, 4041984), (171, 3758336), (192, 3347268), (212, 3031488), (228, 2818752), (256, 2510451), (277, 2320128), (288, 2231512), (304, 2114064), (318, 2020992), (342, 1879168), (384, 1673634), (424, 1515744), (456, 1409376), (477, 1347328), (554, 1160064), (576, 1115756), (608, 1057032), (636, 1010496), (684, 939584), (768, 836817), (831, 773376), (848, 757872), (912, 704688), (954, 673664), (1007, 638208), (1108, 580032), (1152, 557878), (1216, 528516), (1272, 505248), (1368, 469792), (1662, 386688), (1696, 378936), (1824, 352344), (1908, 336832), (2014, 319104), (2216, 290016), (2304, 278939), (2432, 264258), (2493, 257792), (2544, 252624), (2736, 234896), (3021, 212736), (3324, 193344), (3392, 189468), (3648, 176172), (3816, 168416), (4028, 159552), (4432, 145008), (4864, 132129), (4986, 128896), (5088, 126312), (5263, 122112), (5472, 117448), (6042, 106368), (6648, 96672), (6784, 94734), (7296, 88086), (7632, 84208), (8056, 79776), (8864, 72504), (9063, 70912), (9972, 64448), (10176, 63156), (10526, 61056), (10944, 58724), (12084, 53184), (13296, 48336), (13568, 47367), (14592, 44043), (14681, 43776), (15264, 42104), (15789, 40704), (16112, 39888), (17728, 36252), (18126, 35456), (19944, 32224), (20352, 31578), (21052, 30528), (21888, 29362), (24168, 26592)]