1551011840

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:416

約数の個数: 208

約数和(自身を含む): 4403481600

約数和(自身を除く): 2852469760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 349, 434, 448, 496, 512, 560, 620, 640, 698, 868, 896, 992, 1024, 1085, 1120, 1240, 1280, 1396, 1736, 1745, 1792, 1984, 2048, 2170, 2240, 2443, 2480, 2560, 2792, 3472, 3490, 3584, 3968, 4096, 4340, 4480, 4886, 4960, 5120, 5584, 6944, 6980, 7168, 7936, 8680, 8960, 9772, 9920, 10240, 10819, 11168, 12215, 13888, 13960, 14336, 15872, 17360, 17920, 19544, 19840, 20480, 21638, 22336, 24430, 27776, 27920, 28672, 31744, 34720, 35840, 39088, 39680, 43276, 44672, 48860, 54095, 55552, 55840, 63488, 69440, 71680, 75733, 78176, 79360, 86552, 89344, 97720, 108190, 111104, 111680, 126976, 138880, 143360, 151466, 156352, 158720, 173104, 178688, 195440, 216380, 222208, 223360, 277760, 302932, 312704, 317440, 346208, 357376, 378665, 390880, 432760, 444416, 446720, 555520, 605864, 625408, 634880, 692416, 714752, 757330, 781760, 865520, 888832, 893440, 1111040, 1211728, 1250816, 1384832, 1429504, 1514660, 1563520, 1731040, 1786880, 2222080, 2423456, 2501632, 2769664, 3029320, 3127040, 3462080, 3573760, 4444160, 4846912, 5003264, 5539328, 6058640, 6254080, 6924160, 7147520, 9693824, 10006528, 11078656, 12117280, 12508160, 13848320, 19387648, 22157312, 24234560, 25016320, 27696640, 38775296, 44314624, 48469120, 50032640, 55393280, 77550592, 96938240, 110786560, 155101184, 193876480, 221573120, 310202368, 387752960, 775505920, 1551011840]

約数ペア:

[(1, 1551011840), (2, 775505920), (4, 387752960), (5, 310202368), (7, 221573120), (8, 193876480), (10, 155101184), (14, 110786560), (16, 96938240), (20, 77550592), (28, 55393280), (31, 50032640), (32, 48469120), (35, 44314624), (40, 38775296), (56, 27696640), (62, 25016320), (64, 24234560), (70, 22157312), (80, 19387648), (112, 13848320), (124, 12508160), (128, 12117280), (140, 11078656), (155, 10006528), (160, 9693824), (217, 7147520), (224, 6924160), (248, 6254080), (256, 6058640), (280, 5539328), (310, 5003264), (320, 4846912), (349, 4444160), (434, 3573760), (448, 3462080), (496, 3127040), (512, 3029320), (560, 2769664), (620, 2501632), (640, 2423456), (698, 2222080), (868, 1786880), (896, 1731040), (992, 1563520), (1024, 1514660), (1085, 1429504), (1120, 1384832), (1240, 1250816), (1280, 1211728), (1396, 1111040), (1736, 893440), (1745, 888832), (1792, 865520), (1984, 781760), (2048, 757330), (2170, 714752), (2240, 692416), (2443, 634880), (2480, 625408), (2560, 605864), (2792, 555520), (3472, 446720), (3490, 444416), (3584, 432760), (3968, 390880), (4096, 378665), (4340, 357376), (4480, 346208), (4886, 317440), (4960, 312704), (5120, 302932), (5584, 277760), (6944, 223360), (6980, 222208), (7168, 216380), (7936, 195440), (8680, 178688), (8960, 173104), (9772, 158720), (9920, 156352), (10240, 151466), (10819, 143360), (11168, 138880), (12215, 126976), (13888, 111680), (13960, 111104), (14336, 108190), (15872, 97720), (17360, 89344), (17920, 86552), (19544, 79360), (19840, 78176), (20480, 75733), (21638, 71680), (22336, 69440), (24430, 63488), (27776, 55840), (27920, 55552), (28672, 54095), (31744, 48860), (34720, 44672), (35840, 43276), (39088, 39680)]