15435520

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 72

約数和(自身を含む): 38263680

約数和(自身を除く): 22828160

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, 389, 496, 620, 640, 778, 992, 1240, 1280, 1556, 1945, 1984, 2480, 3112, 3890, 3968, 4960, 6224, 7780, 7936, 9920, 12059, 12448, 15560, 19840, 24118, 24896, 31120, 39680, 48236, 49792, 60295, 62240, 96472, 99584, 120590, 124480, 192944, 241180, 248960, 385888, 482360, 497920, 771776, 964720, 1543552, 1929440, 3087104, 3858880, 7717760, 15435520]

約数ペア:

[(1, 15435520), (2, 7717760), (4, 3858880), (5, 3087104), (8, 1929440), (10, 1543552), (16, 964720), (20, 771776), (31, 497920), (32, 482360), (40, 385888), (62, 248960), (64, 241180), (80, 192944), (124, 124480), (128, 120590), (155, 99584), (160, 96472), (248, 62240), (256, 60295), (310, 49792), (320, 48236), (389, 39680), (496, 31120), (620, 24896), (640, 24118), (778, 19840), (992, 15560), (1240, 12448), (1280, 12059), (1556, 9920), (1945, 7936), (1984, 7780), (2480, 6224), (3112, 4960), (3890, 3968)]