221573120

素因数分解:

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

素因数の和:409

約数の個数: 104

約数和(自身を含む): 550435200

約数和(自身を除く): 328862080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 349, 496, 512, 620, 640, 698, 992, 1024, 1240, 1280, 1396, 1745, 1984, 2048, 2480, 2560, 2792, 3490, 3968, 4096, 4960, 5120, 5584, 6980, 7936, 9920, 10240, 10819, 11168, 13960, 15872, 19840, 20480, 21638, 22336, 27920, 31744, 39680, 43276, 44672, 54095, 55840, 63488, 79360, 86552, 89344, 108190, 111680, 126976, 158720, 173104, 178688, 216380, 223360, 317440, 346208, 357376, 432760, 446720, 634880, 692416, 714752, 865520, 893440, 1384832, 1429504, 1731040, 1786880, 2769664, 3462080, 3573760, 5539328, 6924160, 7147520, 11078656, 13848320, 22157312, 27696640, 44314624, 55393280, 110786560, 221573120]

約数ペア:

[(1, 221573120), (2, 110786560), (4, 55393280), (5, 44314624), (8, 27696640), (10, 22157312), (16, 13848320), (20, 11078656), (31, 7147520), (32, 6924160), (40, 5539328), (62, 3573760), (64, 3462080), (80, 2769664), (124, 1786880), (128, 1731040), (155, 1429504), (160, 1384832), (248, 893440), (256, 865520), (310, 714752), (320, 692416), (349, 634880), (496, 446720), (512, 432760), (620, 357376), (640, 346208), (698, 317440), (992, 223360), (1024, 216380), (1240, 178688), (1280, 173104), (1396, 158720), (1745, 126976), (1984, 111680), (2048, 108190), (2480, 89344), (2560, 86552), (2792, 79360), (3490, 63488), (3968, 55840), (4096, 54095), (4960, 44672), (5120, 43276), (5584, 39680), (6980, 31744), (7936, 27920), (9920, 22336), (10240, 21638), (10819, 20480), (11168, 19840), (13960, 15872)]