2818887680

素因数分解:

$2^{12}\times 5^1\times 7^2\times {\mathrm{53}}^2$

素因数の和:149

約数の個数: 234

約数和(自身を含む): 8020184886

約数和(自身を除く): 5201297206

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 53, 56, 64, 70, 80, 98, 106, 112, 128, 140, 160, 196, 212, 224, 245, 256, 265, 280, 320, 371, 392, 424, 448, 490, 512, 530, 560, 640, 742, 784, 848, 896, 980, 1024, 1060, 1120, 1280, 1484, 1568, 1696, 1792, 1855, 1960, 2048, 2120, 2240, 2560, 2597, 2809, 2968, 3136, 3392, 3584, 3710, 3920, 4096, 4240, 4480, 5120, 5194, 5618, 5936, 6272, 6784, 7168, 7420, 7840, 8480, 8960, 10240, 10388, 11236, 11872, 12544, 12985, 13568, 14045, 14336, 14840, 15680, 16960, 17920, 19663, 20480, 20776, 22472, 23744, 25088, 25970, 27136, 28090, 28672, 29680, 31360, 33920, 35840, 39326, 41552, 44944, 47488, 50176, 51940, 54272, 56180, 59360, 62720, 67840, 71680, 78652, 83104, 89888, 94976, 98315, 100352, 103880, 108544, 112360, 118720, 125440, 135680, 137641, 143360, 157304, 166208, 179776, 189952, 196630, 200704, 207760, 217088, 224720, 237440, 250880, 271360, 275282, 314608, 332416, 359552, 379904, 393260, 415520, 449440, 474880, 501760, 542720, 550564, 629216, 664832, 688205, 719104, 759808, 786520, 831040, 898880, 949760, 1003520, 1085440, 1101128, 1258432, 1329664, 1376410, 1438208, 1519616, 1573040, 1662080, 1797760, 1899520, 2202256, 2516864, 2659328, 2752820, 2876416, 3146080, 3324160, 3595520, 3799040, 4404512, 5033728, 5318656, 5505640, 5752832, 6292160, 6648320, 7191040, 7598080, 8809024, 10067456, 10637312, 11011280, 11505664, 12584320, 13296640, 14382080, 17618048, 20134912, 22022560, 25168640, 26593280, 28764160, 35236096, 40269824, 44045120, 50337280, 53186560, 57528320, 70472192, 80539648, 88090240, 100674560, 140944384, 176180480, 201349120, 281888768, 352360960, 402698240, 563777536, 704721920, 1409443840, 2818887680]

約数ペア:

[(1, 2818887680), (2, 1409443840), (4, 704721920), (5, 563777536), (7, 402698240), (8, 352360960), (10, 281888768), (14, 201349120), (16, 176180480), (20, 140944384), (28, 100674560), (32, 88090240), (35, 80539648), (40, 70472192), (49, 57528320), (53, 53186560), (56, 50337280), (64, 44045120), (70, 40269824), (80, 35236096), (98, 28764160), (106, 26593280), (112, 25168640), (128, 22022560), (140, 20134912), (160, 17618048), (196, 14382080), (212, 13296640), (224, 12584320), (245, 11505664), (256, 11011280), (265, 10637312), (280, 10067456), (320, 8809024), (371, 7598080), (392, 7191040), (424, 6648320), (448, 6292160), (490, 5752832), (512, 5505640), (530, 5318656), (560, 5033728), (640, 4404512), (742, 3799040), (784, 3595520), (848, 3324160), (896, 3146080), (980, 2876416), (1024, 2752820), (1060, 2659328), (1120, 2516864), (1280, 2202256), (1484, 1899520), (1568, 1797760), (1696, 1662080), (1792, 1573040), (1855, 1519616), (1960, 1438208), (2048, 1376410), (2120, 1329664), (2240, 1258432), (2560, 1101128), (2597, 1085440), (2809, 1003520), (2968, 949760), (3136, 898880), (3392, 831040), (3584, 786520), (3710, 759808), (3920, 719104), (4096, 688205), (4240, 664832), (4480, 629216), (5120, 550564), (5194, 542720), (5618, 501760), (5936, 474880), (6272, 449440), (6784, 415520), (7168, 393260), (7420, 379904), (7840, 359552), (8480, 332416), (8960, 314608), (10240, 275282), (10388, 271360), (11236, 250880), (11872, 237440), (12544, 224720), (12985, 217088), (13568, 207760), (14045, 200704), (14336, 196630), (14840, 189952), (15680, 179776), (16960, 166208), (17920, 157304), (19663, 143360), (20480, 137641), (20776, 135680), (22472, 125440), (23744, 118720), (25088, 112360), (25970, 108544), (27136, 103880), (28090, 100352), (28672, 98315), (29680, 94976), (31360, 89888), (33920, 83104), (35840, 78652), (39326, 71680), (41552, 67840), (44944, 62720), (47488, 59360), (50176, 56180), (51940, 54272)]