245329280

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{7823}}^1$

素因数の和:7856

約数の個数: 96

約数和(自身を含む): 682331040

約数和(自身を除く): 437001760

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, 7823, 7840, 15646, 15680, 31292, 31360, 39115, 54761, 62584, 78230, 109522, 125168, 156460, 219044, 250336, 273805, 312920, 383327, 438088, 500672, 547610, 625840, 766654, 876176, 1001344, 1095220, 1251680, 1533308, 1752352, 1916635, 2190440, 2503360, 3066616, 3504704, 3833270, 4380880, 5006720, 6133232, 7009408, 7666540, 8761760, 12266464, 15333080, 17523520, 24532928, 30666160, 35047040, 49065856, 61332320, 122664640, 245329280]

約数ペア:

[(1, 245329280), (2, 122664640), (4, 61332320), (5, 49065856), (7, 35047040), (8, 30666160), (10, 24532928), (14, 17523520), (16, 15333080), (20, 12266464), (28, 8761760), (32, 7666540), (35, 7009408), (40, 6133232), (49, 5006720), (56, 4380880), (64, 3833270), (70, 3504704), (80, 3066616), (98, 2503360), (112, 2190440), (128, 1916635), (140, 1752352), (160, 1533308), (196, 1251680), (224, 1095220), (245, 1001344), (280, 876176), (320, 766654), (392, 625840), (448, 547610), (490, 500672), (560, 438088), (640, 383327), (784, 312920), (896, 273805), (980, 250336), (1120, 219044), (1568, 156460), (1960, 125168), (2240, 109522), (3136, 78230), (3920, 62584), (4480, 54761), (6272, 39115), (7823, 31360), (7840, 31292), (15646, 15680)]