252920320

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3187}}^1$

素因数の和:3241

約数の個数: 80

約数和(自身を含む): 626174208

約数和(自身を除く): 373253888

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, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3187, 3968, 4960, 6374, 7936, 9920, 12748, 15872, 15935, 19840, 25496, 31870, 39680, 50992, 63740, 79360, 98797, 101984, 127480, 197594, 203968, 254960, 395188, 407936, 493985, 509920, 790376, 815872, 987970, 1019840, 1580752, 1631744, 1975940, 2039680, 3161504, 3951880, 4079360, 6323008, 7903760, 8158720, 12646016, 15807520, 25292032, 31615040, 50584064, 63230080, 126460160, 252920320]

約数ペア:

[(1, 252920320), (2, 126460160), (4, 63230080), (5, 50584064), (8, 31615040), (10, 25292032), (16, 15807520), (20, 12646016), (31, 8158720), (32, 7903760), (40, 6323008), (62, 4079360), (64, 3951880), (80, 3161504), (124, 2039680), (128, 1975940), (155, 1631744), (160, 1580752), (248, 1019840), (256, 987970), (310, 815872), (320, 790376), (496, 509920), (512, 493985), (620, 407936), (640, 395188), (992, 254960), (1240, 203968), (1280, 197594), (1984, 127480), (2480, 101984), (2560, 98797), (3187, 79360), (3968, 63740), (4960, 50992), (6374, 39680), (7936, 31870), (9920, 25496), (12748, 19840), (15872, 15935)]