1345694720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{433}}^1\times {\mathrm{607}}^1$

素因数の和:1065

約数の個数: 88

約数和(自身を含む): 3240875904

約数和(自身を除く): 1895181184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 433, 512, 607, 640, 866, 1024, 1214, 1280, 1732, 2165, 2428, 2560, 3035, 3464, 4330, 4856, 5120, 6070, 6928, 8660, 9712, 12140, 13856, 17320, 19424, 24280, 27712, 34640, 38848, 48560, 55424, 69280, 77696, 97120, 110848, 138560, 155392, 194240, 221696, 262831, 277120, 310784, 388480, 443392, 525662, 554240, 621568, 776960, 1051324, 1108480, 1314155, 1553920, 2102648, 2216960, 2628310, 3107840, 4205296, 5256620, 8410592, 10513240, 16821184, 21026480, 33642368, 42052960, 67284736, 84105920, 134569472, 168211840, 269138944, 336423680, 672847360, 1345694720]

約数ペア:

[(1, 1345694720), (2, 672847360), (4, 336423680), (5, 269138944), (8, 168211840), (10, 134569472), (16, 84105920), (20, 67284736), (32, 42052960), (40, 33642368), (64, 21026480), (80, 16821184), (128, 10513240), (160, 8410592), (256, 5256620), (320, 4205296), (433, 3107840), (512, 2628310), (607, 2216960), (640, 2102648), (866, 1553920), (1024, 1314155), (1214, 1108480), (1280, 1051324), (1732, 776960), (2165, 621568), (2428, 554240), (2560, 525662), (3035, 443392), (3464, 388480), (4330, 310784), (4856, 277120), (5120, 262831), (6070, 221696), (6928, 194240), (8660, 155392), (9712, 138560), (12140, 110848), (13856, 97120), (17320, 77696), (19424, 69280), (24280, 55424), (27712, 48560), (34640, 38848)]