248590720

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{7927}}^1$

素因数の和:7960

約数の個数: 96

約数和(自身を含む): 691400880

約数和(自身を除く): 442810160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4480, 6272, 7840, 7927, 15680, 15854, 31360, 31708, 39635, 55489, 63416, 79270, 110978, 126832, 158540, 221956, 253664, 277445, 317080, 388423, 443912, 507328, 554890, 634160, 776846, 887824, 1014656, 1109780, 1268320, 1553692, 1775648, 1942115, 2219560, 2536640, 3107384, 3551296, 3884230, 4439120, 5073280, 6214768, 7102592, 7768460, 8878240, 12429536, 15536920, 17756480, 24859072, 31073840, 35512960, 49718144, 62147680, 124295360, 248590720]

約数ペア:

[(1, 248590720), (2, 124295360), (4, 62147680), (5, 49718144), (7, 35512960), (8, 31073840), (10, 24859072), (14, 17756480), (16, 15536920), (20, 12429536), (28, 8878240), (32, 7768460), (35, 7102592), (40, 6214768), (49, 5073280), (56, 4439120), (64, 3884230), (70, 3551296), (80, 3107384), (98, 2536640), (112, 2219560), (128, 1942115), (140, 1775648), (160, 1553692), (196, 1268320), (224, 1109780), (245, 1014656), (280, 887824), (320, 776846), (392, 634160), (448, 554890), (490, 507328), (560, 443912), (640, 388423), (784, 317080), (896, 277445), (980, 253664), (1120, 221956), (1568, 158540), (1960, 126832), (2240, 110978), (3136, 79270), (3920, 63416), (4480, 55489), (6272, 39635), (7840, 31708), (7927, 31360), (15680, 15854)]