2161947680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:379

約数の個数: 192

約数和(自身を含む): 5633712000

約数和(自身を除く): 3471764320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 32, 38, 40, 58, 76, 80, 95, 116, 137, 145, 152, 160, 179, 190, 232, 274, 290, 304, 358, 380, 464, 548, 551, 580, 608, 685, 716, 760, 895, 928, 1096, 1102, 1160, 1370, 1432, 1520, 1790, 2192, 2204, 2320, 2603, 2740, 2755, 2864, 3040, 3401, 3580, 3973, 4384, 4408, 4640, 5191, 5206, 5480, 5510, 5728, 6802, 7160, 7946, 8816, 10382, 10412, 10960, 11020, 13015, 13604, 14320, 15892, 17005, 17632, 19865, 20764, 20824, 21920, 22040, 24523, 25955, 26030, 27208, 28640, 31784, 34010, 39730, 41528, 41648, 44080, 49046, 51910, 52060, 54416, 63568, 68020, 75487, 79460, 83056, 83296, 88160, 98092, 98629, 103820, 104120, 108832, 122615, 127136, 136040, 150974, 158920, 166112, 196184, 197258, 207640, 208240, 245230, 272080, 301948, 317840, 377435, 392368, 394516, 415280, 416480, 465937, 490460, 493145, 544160, 603896, 635680, 711167, 754870, 784736, 789032, 830560, 931874, 980920, 986290, 1207792, 1422334, 1509740, 1578064, 1863748, 1961840, 1972580, 2329685, 2415584, 2844668, 3019480, 3156128, 3555835, 3727496, 3923680, 3945160, 4659370, 5689336, 6038960, 7111670, 7454992, 7890320, 9318740, 11378672, 12077920, 13512173, 14223340, 14909984, 15780640, 18637480, 22757344, 27024346, 28446680, 37274960, 54048692, 56893360, 67560865, 74549920, 108097384, 113786720, 135121730, 216194768, 270243460, 432389536, 540486920, 1080973840, 2161947680]

約数ペア:

[(1, 2161947680), (2, 1080973840), (4, 540486920), (5, 432389536), (8, 270243460), (10, 216194768), (16, 135121730), (19, 113786720), (20, 108097384), (29, 74549920), (32, 67560865), (38, 56893360), (40, 54048692), (58, 37274960), (76, 28446680), (80, 27024346), (95, 22757344), (116, 18637480), (137, 15780640), (145, 14909984), (152, 14223340), (160, 13512173), (179, 12077920), (190, 11378672), (232, 9318740), (274, 7890320), (290, 7454992), (304, 7111670), (358, 6038960), (380, 5689336), (464, 4659370), (548, 3945160), (551, 3923680), (580, 3727496), (608, 3555835), (685, 3156128), (716, 3019480), (760, 2844668), (895, 2415584), (928, 2329685), (1096, 1972580), (1102, 1961840), (1160, 1863748), (1370, 1578064), (1432, 1509740), (1520, 1422334), (1790, 1207792), (2192, 986290), (2204, 980920), (2320, 931874), (2603, 830560), (2740, 789032), (2755, 784736), (2864, 754870), (3040, 711167), (3401, 635680), (3580, 603896), (3973, 544160), (4384, 493145), (4408, 490460), (4640, 465937), (5191, 416480), (5206, 415280), (5480, 394516), (5510, 392368), (5728, 377435), (6802, 317840), (7160, 301948), (7946, 272080), (8816, 245230), (10382, 208240), (10412, 207640), (10960, 197258), (11020, 196184), (13015, 166112), (13604, 158920), (14320, 150974), (15892, 136040), (17005, 127136), (17632, 122615), (19865, 108832), (20764, 104120), (20824, 103820), (21920, 98629), (22040, 98092), (24523, 88160), (25955, 83296), (26030, 83056), (27208, 79460), (28640, 75487), (31784, 68020), (34010, 63568), (39730, 54416), (41528, 52060), (41648, 51910), (44080, 49046)]