345668480

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31771}}^1$

素因数の和:31807

約数の個数: 64

約数和(自身を含む): 875000880

約数和(自身を除く): 529332400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 31771, 63542, 127084, 158855, 254168, 317710, 508336, 540107, 635420, 1016672, 1080214, 1270840, 2033344, 2160428, 2541680, 2700535, 4066688, 4320856, 5083360, 5401070, 8641712, 10166720, 10802140, 17283424, 20333440, 21604280, 34566848, 43208560, 69133696, 86417120, 172834240, 345668480]

約数ペア:

[(1, 345668480), (2, 172834240), (4, 86417120), (5, 69133696), (8, 43208560), (10, 34566848), (16, 21604280), (17, 20333440), (20, 17283424), (32, 10802140), (34, 10166720), (40, 8641712), (64, 5401070), (68, 5083360), (80, 4320856), (85, 4066688), (128, 2700535), (136, 2541680), (160, 2160428), (170, 2033344), (272, 1270840), (320, 1080214), (340, 1016672), (544, 635420), (640, 540107), (680, 508336), (1088, 317710), (1360, 254168), (2176, 158855), (2720, 127084), (5440, 63542), (10880, 31771)]