25523820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 90574848

約数和(自身を除く): 65051028

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 431, 470, 564, 630, 658, 705, 846, 862, 940, 987, 1260, 1293, 1316, 1410, 1645, 1692, 1724, 1974, 2115, 2155, 2586, 2820, 2961, 3017, 3290, 3879, 3948, 4230, 4310, 4935, 5172, 5922, 6034, 6465, 6580, 7758, 8460, 8620, 9051, 9870, 11844, 12068, 12930, 14805, 15085, 15516, 18102, 19395, 19740, 20257, 25860, 27153, 29610, 30170, 36204, 38790, 40514, 45255, 54306, 59220, 60340, 60771, 77580, 81028, 90510, 101285, 108612, 121542, 135765, 141799, 181020, 182313, 202570, 243084, 271530, 283598, 303855, 364626, 405140, 425397, 543060, 567196, 607710, 708995, 729252, 850794, 911565, 1215420, 1276191, 1417990, 1701588, 1823130, 2126985, 2552382, 2835980, 3646260, 4253970, 5104764, 6380955, 8507940, 12761910, 25523820]

約数ペア:

[(1, 25523820), (2, 12761910), (3, 8507940), (4, 6380955), (5, 5104764), (6, 4253970), (7, 3646260), (9, 2835980), (10, 2552382), (12, 2126985), (14, 1823130), (15, 1701588), (18, 1417990), (20, 1276191), (21, 1215420), (28, 911565), (30, 850794), (35, 729252), (36, 708995), (42, 607710), (45, 567196), (47, 543060), (60, 425397), (63, 405140), (70, 364626), (84, 303855), (90, 283598), (94, 271530), (105, 243084), (126, 202570), (140, 182313), (141, 181020), (180, 141799), (188, 135765), (210, 121542), (235, 108612), (252, 101285), (282, 90510), (315, 81028), (329, 77580), (420, 60771), (423, 60340), (431, 59220), (470, 54306), (564, 45255), (630, 40514), (658, 38790), (705, 36204), (846, 30170), (862, 29610), (940, 27153), (987, 25860), (1260, 20257), (1293, 19740), (1316, 19395), (1410, 18102), (1645, 15516), (1692, 15085), (1724, 14805), (1974, 12930), (2115, 12068), (2155, 11844), (2586, 9870), (2820, 9051), (2961, 8620), (3017, 8460), (3290, 7758), (3879, 6580), (3948, 6465), (4230, 6034), (4310, 5922), (4935, 5172)]