631040

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:67

約数の個数: 72

約数和(自身を含む): 1655640

約数和(自身を除く): 1024600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 128, 136, 145, 160, 170, 232, 256, 272, 290, 320, 340, 464, 493, 544, 580, 640, 680, 928, 986, 1088, 1160, 1280, 1360, 1856, 1972, 2176, 2320, 2465, 2720, 3712, 3944, 4352, 4640, 4930, 5440, 7424, 7888, 9280, 9860, 10880, 15776, 18560, 19720, 21760, 31552, 37120, 39440, 63104, 78880, 126208, 157760, 315520, 631040]

約数ペア:

[(1, 631040), (2, 315520), (4, 157760), (5, 126208), (8, 78880), (10, 63104), (16, 39440), (17, 37120), (20, 31552), (29, 21760), (32, 19720), (34, 18560), (40, 15776), (58, 10880), (64, 9860), (68, 9280), (80, 7888), (85, 7424), (116, 5440), (128, 4930), (136, 4640), (145, 4352), (160, 3944), (170, 3712), (232, 2720), (256, 2465), (272, 2320), (290, 2176), (320, 1972), (340, 1856), (464, 1360), (493, 1280), (544, 1160), (580, 1088), (640, 986), (680, 928)]