642287280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{26497}}^1$

素因数の和:26614

約数の個数: 80

約数和(自身を含む): 2010880224

約数和(自身を除く): 1368592944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1616, 2020, 2424, 3030, 4040, 4848, 6060, 8080, 12120, 24240, 26497, 52994, 79491, 105988, 132485, 158982, 211976, 264970, 317964, 397455, 423952, 529940, 635928, 794910, 1059880, 1271856, 1589820, 2119760, 2676197, 3179640, 5352394, 6359280, 8028591, 10704788, 13380985, 16057182, 21409576, 26761970, 32114364, 40142955, 42819152, 53523940, 64228728, 80285910, 107047880, 128457456, 160571820, 214095760, 321143640, 642287280]

約数ペア:

[(1, 642287280), (2, 321143640), (3, 214095760), (4, 160571820), (5, 128457456), (6, 107047880), (8, 80285910), (10, 64228728), (12, 53523940), (15, 42819152), (16, 40142955), (20, 32114364), (24, 26761970), (30, 21409576), (40, 16057182), (48, 13380985), (60, 10704788), (80, 8028591), (101, 6359280), (120, 5352394), (202, 3179640), (240, 2676197), (303, 2119760), (404, 1589820), (505, 1271856), (606, 1059880), (808, 794910), (1010, 635928), (1212, 529940), (1515, 423952), (1616, 397455), (2020, 317964), (2424, 264970), (3030, 211976), (4040, 158982), (4848, 132485), (6060, 105988), (8080, 79491), (12120, 52994), (24240, 26497)]