420192640

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{13399}}^1$

素因数の和:13432

約数の個数: 96

約数和(自身を含む): 1168614000

約数和(自身を除く): 748421360

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, 13399, 15680, 26798, 31360, 53596, 66995, 93793, 107192, 133990, 187586, 214384, 267980, 375172, 428768, 468965, 535960, 656551, 750344, 857536, 937930, 1071920, 1313102, 1500688, 1715072, 1875860, 2143840, 2626204, 3001376, 3282755, 3751720, 4287680, 5252408, 6002752, 6565510, 7503440, 8575360, 10504816, 12005504, 13131020, 15006880, 21009632, 26262040, 30013760, 42019264, 52524080, 60027520, 84038528, 105048160, 210096320, 420192640]

約数ペア:

[(1, 420192640), (2, 210096320), (4, 105048160), (5, 84038528), (7, 60027520), (8, 52524080), (10, 42019264), (14, 30013760), (16, 26262040), (20, 21009632), (28, 15006880), (32, 13131020), (35, 12005504), (40, 10504816), (49, 8575360), (56, 7503440), (64, 6565510), (70, 6002752), (80, 5252408), (98, 4287680), (112, 3751720), (128, 3282755), (140, 3001376), (160, 2626204), (196, 2143840), (224, 1875860), (245, 1715072), (280, 1500688), (320, 1313102), (392, 1071920), (448, 937930), (490, 857536), (560, 750344), (640, 656551), (784, 535960), (896, 468965), (980, 428768), (1120, 375172), (1568, 267980), (1960, 214384), (2240, 187586), (3136, 133990), (3920, 107192), (4480, 93793), (6272, 66995), (7840, 53596), (13399, 31360), (15680, 26798)]