15214640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 40979520

約数和(自身を除く): 25764880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 269, 280, 404, 505, 538, 560, 707, 808, 1010, 1076, 1345, 1414, 1616, 1883, 2020, 2152, 2690, 2828, 3535, 3766, 4040, 4304, 5380, 5656, 7070, 7532, 8080, 9415, 10760, 11312, 14140, 15064, 18830, 21520, 27169, 28280, 30128, 37660, 54338, 56560, 75320, 108676, 135845, 150640, 190183, 217352, 271690, 380366, 434704, 543380, 760732, 950915, 1086760, 1521464, 1901830, 2173520, 3042928, 3803660, 7607320, 15214640]

約数ペア:

[(1, 15214640), (2, 7607320), (4, 3803660), (5, 3042928), (7, 2173520), (8, 1901830), (10, 1521464), (14, 1086760), (16, 950915), (20, 760732), (28, 543380), (35, 434704), (40, 380366), (56, 271690), (70, 217352), (80, 190183), (101, 150640), (112, 135845), (140, 108676), (202, 75320), (269, 56560), (280, 54338), (404, 37660), (505, 30128), (538, 28280), (560, 27169), (707, 21520), (808, 18830), (1010, 15064), (1076, 14140), (1345, 11312), (1414, 10760), (1616, 9415), (1883, 8080), (2020, 7532), (2152, 7070), (2690, 5656), (2828, 5380), (3535, 4304), (3766, 4040)]