71281140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:246

約数の個数: 192

約数和(自身を含む): 244629504

約数和(自身を除く): 173348364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 47, 60, 69, 70, 84, 92, 94, 105, 115, 138, 140, 141, 157, 161, 188, 210, 230, 235, 276, 282, 314, 322, 329, 345, 420, 460, 470, 471, 483, 564, 628, 644, 658, 690, 705, 785, 805, 940, 942, 966, 987, 1081, 1099, 1316, 1380, 1410, 1570, 1610, 1645, 1884, 1932, 1974, 2162, 2198, 2355, 2415, 2820, 3140, 3220, 3243, 3290, 3297, 3611, 3948, 4324, 4396, 4710, 4830, 4935, 5405, 5495, 6486, 6580, 6594, 7222, 7379, 7567, 9420, 9660, 9870, 10810, 10833, 10990, 12972, 13188, 14444, 14758, 15134, 16215, 16485, 18055, 19740, 21620, 21666, 21980, 22137, 22701, 25277, 29516, 30268, 32430, 32970, 36110, 36895, 37835, 43332, 44274, 45402, 50554, 51653, 54165, 64860, 65940, 72220, 73790, 75670, 75831, 88548, 90804, 101108, 103306, 108330, 110685, 113505, 126385, 147580, 151340, 151662, 154959, 169717, 206612, 216660, 221370, 227010, 252770, 258265, 303324, 309918, 339434, 379155, 442740, 454020, 505540, 509151, 516530, 619836, 678868, 758310, 774795, 848585, 1018302, 1033060, 1188019, 1516620, 1549590, 1697170, 2036604, 2376038, 2545755, 3099180, 3394340, 3564057, 4752076, 5091510, 5940095, 7128114, 10183020, 11880190, 14256228, 17820285, 23760380, 35640570, 71281140]

約数ペア:

[(1, 71281140), (2, 35640570), (3, 23760380), (4, 17820285), (5, 14256228), (6, 11880190), (7, 10183020), (10, 7128114), (12, 5940095), (14, 5091510), (15, 4752076), (20, 3564057), (21, 3394340), (23, 3099180), (28, 2545755), (30, 2376038), (35, 2036604), (42, 1697170), (46, 1549590), (47, 1516620), (60, 1188019), (69, 1033060), (70, 1018302), (84, 848585), (92, 774795), (94, 758310), (105, 678868), (115, 619836), (138, 516530), (140, 509151), (141, 505540), (157, 454020), (161, 442740), (188, 379155), (210, 339434), (230, 309918), (235, 303324), (276, 258265), (282, 252770), (314, 227010), (322, 221370), (329, 216660), (345, 206612), (420, 169717), (460, 154959), (470, 151662), (471, 151340), (483, 147580), (564, 126385), (628, 113505), (644, 110685), (658, 108330), (690, 103306), (705, 101108), (785, 90804), (805, 88548), (940, 75831), (942, 75670), (966, 73790), (987, 72220), (1081, 65940), (1099, 64860), (1316, 54165), (1380, 51653), (1410, 50554), (1570, 45402), (1610, 44274), (1645, 43332), (1884, 37835), (1932, 36895), (1974, 36110), (2162, 32970), (2198, 32430), (2355, 30268), (2415, 29516), (2820, 25277), (3140, 22701), (3220, 22137), (3243, 21980), (3290, 21666), (3297, 21620), (3611, 19740), (3948, 18055), (4324, 16485), (4396, 16215), (4710, 15134), (4830, 14758), (4935, 14444), (5405, 13188), (5495, 12972), (6486, 10990), (6580, 10833), (6594, 10810), (7222, 9870), (7379, 9660), (7567, 9420)]