7856520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:267

約数の個数: 128

約数和(自身を含む): 27648000

約数和(自身を除く): 19791480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 199, 210, 235, 280, 282, 329, 376, 398, 420, 470, 564, 597, 658, 705, 796, 840, 940, 987, 995, 1128, 1194, 1316, 1393, 1410, 1592, 1645, 1880, 1974, 1990, 2388, 2632, 2786, 2820, 2985, 3290, 3948, 3980, 4179, 4776, 4935, 5572, 5640, 5970, 6580, 6965, 7896, 7960, 8358, 9353, 9870, 11144, 11940, 13160, 13930, 16716, 18706, 19740, 20895, 23880, 27860, 28059, 33432, 37412, 39480, 41790, 46765, 55720, 56118, 65471, 74824, 83580, 93530, 112236, 130942, 140295, 167160, 187060, 196413, 224472, 261884, 280590, 327355, 374120, 392826, 523768, 561180, 654710, 785652, 982065, 1122360, 1309420, 1571304, 1964130, 2618840, 3928260, 7856520]

約数ペア:

[(1, 7856520), (2, 3928260), (3, 2618840), (4, 1964130), (5, 1571304), (6, 1309420), (7, 1122360), (8, 982065), (10, 785652), (12, 654710), (14, 561180), (15, 523768), (20, 392826), (21, 374120), (24, 327355), (28, 280590), (30, 261884), (35, 224472), (40, 196413), (42, 187060), (47, 167160), (56, 140295), (60, 130942), (70, 112236), (84, 93530), (94, 83580), (105, 74824), (120, 65471), (140, 56118), (141, 55720), (168, 46765), (188, 41790), (199, 39480), (210, 37412), (235, 33432), (280, 28059), (282, 27860), (329, 23880), (376, 20895), (398, 19740), (420, 18706), (470, 16716), (564, 13930), (597, 13160), (658, 11940), (705, 11144), (796, 9870), (840, 9353), (940, 8358), (987, 7960), (995, 7896), (1128, 6965), (1194, 6580), (1316, 5970), (1393, 5640), (1410, 5572), (1592, 4935), (1645, 4776), (1880, 4179), (1974, 3980), (1990, 3948), (2388, 3290), (2632, 2985), (2786, 2820)]