621305440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:405

約数の個数: 192

約数和(自身を含む): 1776660480

約数和(自身を除く): 1155355040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 89, 92, 112, 115, 140, 160, 161, 178, 184, 224, 230, 271, 280, 322, 356, 368, 445, 460, 542, 560, 623, 644, 712, 736, 805, 890, 920, 1084, 1120, 1246, 1288, 1355, 1424, 1610, 1780, 1840, 1897, 2047, 2168, 2492, 2576, 2710, 2848, 3115, 3220, 3560, 3680, 3794, 4094, 4336, 4984, 5152, 5420, 6230, 6233, 6440, 7120, 7588, 8188, 8672, 9485, 9968, 10235, 10840, 12460, 12466, 12880, 14240, 14329, 15176, 16376, 18970, 19936, 20470, 21680, 24119, 24920, 24932, 25760, 28658, 30352, 31165, 32752, 37940, 40940, 43360, 43631, 48238, 49840, 49864, 57316, 60704, 62330, 65504, 71645, 75880, 81880, 87262, 96476, 99680, 99728, 114632, 120595, 124660, 143290, 151760, 163760, 168833, 174524, 192952, 199456, 218155, 229264, 241190, 249320, 286580, 303520, 327520, 337666, 349048, 385904, 436310, 458528, 482380, 498640, 554737, 573160, 675332, 698096, 771808, 844165, 872620, 964760, 997280, 1109474, 1146320, 1350664, 1396192, 1688330, 1745240, 1929520, 2218948, 2292640, 2701328, 2773685, 3376660, 3490480, 3859040, 3883159, 4437896, 5402656, 5547370, 6753320, 6980960, 7766318, 8875792, 11094740, 13506640, 15532636, 17751584, 19415795, 22189480, 27013280, 31065272, 38831590, 44378960, 62130544, 77663180, 88757920, 124261088, 155326360, 310652720, 621305440]

約数ペア:

[(1, 621305440), (2, 310652720), (4, 155326360), (5, 124261088), (7, 88757920), (8, 77663180), (10, 62130544), (14, 44378960), (16, 38831590), (20, 31065272), (23, 27013280), (28, 22189480), (32, 19415795), (35, 17751584), (40, 15532636), (46, 13506640), (56, 11094740), (70, 8875792), (80, 7766318), (89, 6980960), (92, 6753320), (112, 5547370), (115, 5402656), (140, 4437896), (160, 3883159), (161, 3859040), (178, 3490480), (184, 3376660), (224, 2773685), (230, 2701328), (271, 2292640), (280, 2218948), (322, 1929520), (356, 1745240), (368, 1688330), (445, 1396192), (460, 1350664), (542, 1146320), (560, 1109474), (623, 997280), (644, 964760), (712, 872620), (736, 844165), (805, 771808), (890, 698096), (920, 675332), (1084, 573160), (1120, 554737), (1246, 498640), (1288, 482380), (1355, 458528), (1424, 436310), (1610, 385904), (1780, 349048), (1840, 337666), (1897, 327520), (2047, 303520), (2168, 286580), (2492, 249320), (2576, 241190), (2710, 229264), (2848, 218155), (3115, 199456), (3220, 192952), (3560, 174524), (3680, 168833), (3794, 163760), (4094, 151760), (4336, 143290), (4984, 124660), (5152, 120595), (5420, 114632), (6230, 99728), (6233, 99680), (6440, 96476), (7120, 87262), (7588, 81880), (8188, 75880), (8672, 71645), (9485, 65504), (9968, 62330), (10235, 60704), (10840, 57316), (12460, 49864), (12466, 49840), (12880, 48238), (14240, 43631), (14329, 43360), (15176, 40940), (16376, 37940), (18970, 32752), (19936, 31165), (20470, 30352), (21680, 28658), (24119, 25760), (24920, 24932)]