1913488920

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{28123}}^1$

素因数の和:28156

約数の個数: 192

約数和(自身を含む): 7370737920

約数和(自身を除く): 5457249000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 630, 648, 756, 810, 840, 945, 972, 1080, 1134, 1215, 1260, 1512, 1620, 1701, 1890, 1944, 2268, 2430, 2520, 2835, 3240, 3402, 3780, 4536, 4860, 5670, 6804, 7560, 8505, 9720, 11340, 13608, 17010, 22680, 28123, 34020, 56246, 68040, 84369, 112492, 140615, 168738, 196861, 224984, 253107, 281230, 337476, 393722, 421845, 506214, 562460, 590583, 674952, 759321, 787444, 843690, 984305, 1012428, 1124920, 1181166, 1265535, 1518642, 1574888, 1687380, 1771749, 1968610, 2024856, 2277963, 2362332, 2531070, 2952915, 3037284, 3374760, 3543498, 3796605, 3937220, 4555926, 4724664, 5062140, 5315247, 5905830, 6074568, 6833889, 7086996, 7593210, 7874440, 8858745, 9111852, 10124280, 10630494, 11389815, 11811660, 13667778, 14173992, 15186420, 15945741, 17717490, 18223704, 21260988, 22779630, 23623320, 26576235, 27335556, 30372840, 31891482, 34169445, 35434980, 42521976, 45559260, 47837223, 53152470, 54671112, 63782964, 68338890, 70869960, 79728705, 91118520, 95674446, 106304940, 127565928, 136677780, 159457410, 191348892, 212609880, 239186115, 273355560, 318914820, 382697784, 478372230, 637829640, 956744460, 1913488920]

約数ペア:

[(1, 1913488920), (2, 956744460), (3, 637829640), (4, 478372230), (5, 382697784), (6, 318914820), (7, 273355560), (8, 239186115), (9, 212609880), (10, 191348892), (12, 159457410), (14, 136677780), (15, 127565928), (18, 106304940), (20, 95674446), (21, 91118520), (24, 79728705), (27, 70869960), (28, 68338890), (30, 63782964), (35, 54671112), (36, 53152470), (40, 47837223), (42, 45559260), (45, 42521976), (54, 35434980), (56, 34169445), (60, 31891482), (63, 30372840), (70, 27335556), (72, 26576235), (81, 23623320), (84, 22779630), (90, 21260988), (105, 18223704), (108, 17717490), (120, 15945741), (126, 15186420), (135, 14173992), (140, 13667778), (162, 11811660), (168, 11389815), (180, 10630494), (189, 10124280), (210, 9111852), (216, 8858745), (243, 7874440), (252, 7593210), (270, 7086996), (280, 6833889), (315, 6074568), (324, 5905830), (360, 5315247), (378, 5062140), (405, 4724664), (420, 4555926), (486, 3937220), (504, 3796605), (540, 3543498), (567, 3374760), (630, 3037284), (648, 2952915), (756, 2531070), (810, 2362332), (840, 2277963), (945, 2024856), (972, 1968610), (1080, 1771749), (1134, 1687380), (1215, 1574888), (1260, 1518642), (1512, 1265535), (1620, 1181166), (1701, 1124920), (1890, 1012428), (1944, 984305), (2268, 843690), (2430, 787444), (2520, 759321), (2835, 674952), (3240, 590583), (3402, 562460), (3780, 506214), (4536, 421845), (4860, 393722), (5670, 337476), (6804, 281230), (7560, 253107), (8505, 224984), (9720, 196861), (11340, 168738), (13608, 140615), (17010, 112492), (22680, 84369), (28123, 68040), (34020, 56246)]