104200020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:643

約数の個数: 120

約数和(自身を含む): 330045408

約数和(自身を除く): 225845388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 131, 135, 162, 180, 262, 270, 324, 393, 405, 491, 524, 540, 655, 786, 810, 982, 1179, 1310, 1473, 1572, 1620, 1964, 1965, 2358, 2455, 2620, 2946, 3537, 3930, 4419, 4716, 4910, 5892, 5895, 7074, 7365, 7860, 8838, 9820, 10611, 11790, 13257, 14148, 14730, 17676, 17685, 21222, 22095, 23580, 26514, 29460, 35370, 39771, 42444, 44190, 53028, 53055, 64321, 66285, 70740, 79542, 88380, 106110, 128642, 132570, 159084, 192963, 198855, 212220, 257284, 265140, 321605, 385926, 397710, 578889, 643210, 771852, 795420, 964815, 1157778, 1286420, 1736667, 1929630, 2315556, 2894445, 3473334, 3859260, 5210001, 5788890, 6946668, 8683335, 10420002, 11577780, 17366670, 20840004, 26050005, 34733340, 52100010, 104200020]

約数ペア:

[(1, 104200020), (2, 52100010), (3, 34733340), (4, 26050005), (5, 20840004), (6, 17366670), (9, 11577780), (10, 10420002), (12, 8683335), (15, 6946668), (18, 5788890), (20, 5210001), (27, 3859260), (30, 3473334), (36, 2894445), (45, 2315556), (54, 1929630), (60, 1736667), (81, 1286420), (90, 1157778), (108, 964815), (131, 795420), (135, 771852), (162, 643210), (180, 578889), (262, 397710), (270, 385926), (324, 321605), (393, 265140), (405, 257284), (491, 212220), (524, 198855), (540, 192963), (655, 159084), (786, 132570), (810, 128642), (982, 106110), (1179, 88380), (1310, 79542), (1473, 70740), (1572, 66285), (1620, 64321), (1964, 53055), (1965, 53028), (2358, 44190), (2455, 42444), (2620, 39771), (2946, 35370), (3537, 29460), (3930, 26514), (4419, 23580), (4716, 22095), (4910, 21222), (5892, 17685), (5895, 17676), (7074, 14730), (7365, 14148), (7860, 13257), (8838, 11790), (9820, 10611)]