15455720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{191}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 42439680

約数和(自身を除く): 26983960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 191, 238, 280, 289, 340, 382, 476, 578, 595, 680, 764, 952, 955, 1156, 1190, 1337, 1445, 1528, 1910, 2023, 2312, 2380, 2674, 2890, 3247, 3820, 4046, 4760, 5348, 5780, 6494, 6685, 7640, 8092, 10115, 10696, 11560, 12988, 13370, 16184, 16235, 20230, 22729, 25976, 26740, 32470, 40460, 45458, 53480, 55199, 64940, 80920, 90916, 110398, 113645, 129880, 181832, 220796, 227290, 275995, 386393, 441592, 454580, 551990, 772786, 909160, 1103980, 1545572, 1931965, 2207960, 3091144, 3863930, 7727860, 15455720]

約数ペア:

[(1, 15455720), (2, 7727860), (4, 3863930), (5, 3091144), (7, 2207960), (8, 1931965), (10, 1545572), (14, 1103980), (17, 909160), (20, 772786), (28, 551990), (34, 454580), (35, 441592), (40, 386393), (56, 275995), (68, 227290), (70, 220796), (85, 181832), (119, 129880), (136, 113645), (140, 110398), (170, 90916), (191, 80920), (238, 64940), (280, 55199), (289, 53480), (340, 45458), (382, 40460), (476, 32470), (578, 26740), (595, 25976), (680, 22729), (764, 20230), (952, 16235), (955, 16184), (1156, 13370), (1190, 12988), (1337, 11560), (1445, 10696), (1528, 10115), (1910, 8092), (2023, 7640), (2312, 6685), (2380, 6494), (2674, 5780), (2890, 5348), (3247, 4760), (3820, 4046)]