28544040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:312

約数の個数: 192

約数和(自身を含む): 108725760

約数和(自身を除く): 80181720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 56, 60, 63, 70, 72, 84, 90, 94, 105, 120, 126, 140, 141, 168, 180, 188, 210, 235, 241, 252, 280, 282, 315, 329, 360, 376, 420, 423, 470, 482, 504, 564, 630, 658, 705, 723, 840, 846, 940, 964, 987, 1128, 1205, 1260, 1316, 1410, 1446, 1645, 1687, 1692, 1880, 1928, 1974, 2115, 2169, 2410, 2520, 2632, 2820, 2892, 2961, 3290, 3374, 3384, 3615, 3948, 4230, 4338, 4820, 4935, 5061, 5640, 5784, 5922, 6580, 6748, 7230, 7896, 8435, 8460, 8676, 9640, 9870, 10122, 10845, 11327, 11844, 13160, 13496, 14460, 14805, 15183, 16870, 16920, 17352, 19740, 20244, 21690, 22654, 23688, 25305, 28920, 29610, 30366, 33740, 33981, 39480, 40488, 43380, 45308, 50610, 56635, 59220, 60732, 67480, 67962, 75915, 79289, 86760, 90616, 101220, 101943, 113270, 118440, 121464, 135924, 151830, 158578, 169905, 202440, 203886, 226540, 237867, 271848, 303660, 317156, 339810, 396445, 407772, 453080, 475734, 509715, 607320, 634312, 679620, 713601, 792890, 815544, 951468, 1019430, 1189335, 1359240, 1427202, 1585780, 1902936, 2038860, 2378670, 2854404, 3171560, 3568005, 4077720, 4757340, 5708808, 7136010, 9514680, 14272020, 28544040]

約数ペア:

[(1, 28544040), (2, 14272020), (3, 9514680), (4, 7136010), (5, 5708808), (6, 4757340), (7, 4077720), (8, 3568005), (9, 3171560), (10, 2854404), (12, 2378670), (14, 2038860), (15, 1902936), (18, 1585780), (20, 1427202), (21, 1359240), (24, 1189335), (28, 1019430), (30, 951468), (35, 815544), (36, 792890), (40, 713601), (42, 679620), (45, 634312), (47, 607320), (56, 509715), (60, 475734), (63, 453080), (70, 407772), (72, 396445), (84, 339810), (90, 317156), (94, 303660), (105, 271848), (120, 237867), (126, 226540), (140, 203886), (141, 202440), (168, 169905), (180, 158578), (188, 151830), (210, 135924), (235, 121464), (241, 118440), (252, 113270), (280, 101943), (282, 101220), (315, 90616), (329, 86760), (360, 79289), (376, 75915), (420, 67962), (423, 67480), (470, 60732), (482, 59220), (504, 56635), (564, 50610), (630, 45308), (658, 43380), (705, 40488), (723, 39480), (840, 33981), (846, 33740), (940, 30366), (964, 29610), (987, 28920), (1128, 25305), (1205, 23688), (1260, 22654), (1316, 21690), (1410, 20244), (1446, 19740), (1645, 17352), (1687, 16920), (1692, 16870), (1880, 15183), (1928, 14805), (1974, 14460), (2115, 13496), (2169, 13160), (2410, 11844), (2520, 11327), (2632, 10845), (2820, 10122), (2892, 9870), (2961, 9640), (3290, 8676), (3374, 8460), (3384, 8435), (3615, 7896), (3948, 7230), (4230, 6748), (4338, 6580), (4820, 5922), (4935, 5784), (5061, 5640)]