15812480

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:847

約数の個数: 64

約数和(自身を含む): 39070080

約数和(自身を除く): 23257600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 797, 992, 1240, 1594, 1984, 2480, 3188, 3968, 3985, 4960, 6376, 7970, 9920, 12752, 15940, 19840, 24707, 25504, 31880, 49414, 51008, 63760, 98828, 102016, 123535, 127520, 197656, 247070, 255040, 395312, 494140, 510080, 790624, 988280, 1581248, 1976560, 3162496, 3953120, 7906240, 15812480]

約数ペア:

[(1, 15812480), (2, 7906240), (4, 3953120), (5, 3162496), (8, 1976560), (10, 1581248), (16, 988280), (20, 790624), (31, 510080), (32, 494140), (40, 395312), (62, 255040), (64, 247070), (80, 197656), (124, 127520), (128, 123535), (155, 102016), (160, 98828), (248, 63760), (310, 51008), (320, 49414), (496, 31880), (620, 25504), (640, 24707), (797, 19840), (992, 15940), (1240, 12752), (1594, 9920), (1984, 7970), (2480, 6376), (3188, 4960), (3968, 3985)]