391718880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{38861}}^1$

素因数の和:38889

約数の個数: 144

約数和(自身を含む): 1527742944

約数和(自身を除く): 1136024064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 38861, 77722, 116583, 155444, 194305, 233166, 272027, 310888, 349749, 388610, 466332, 544054, 582915, 621776, 699498, 777220, 816081, 932664, 1088108, 1165830, 1243552, 1360135, 1398996, 1554440, 1632162, 1748745, 1865328, 2176216, 2331660, 2448243, 2720270, 2797992, 3108880, 3264324, 3497490, 3730656, 4080405, 4352432, 4663320, 4896486, 5440540, 5595984, 6217760, 6528648, 6994980, 8160810, 8704864, 9326640, 9792972, 10881080, 11191968, 12241215, 13057296, 13989960, 16321620, 18653280, 19585944, 21762160, 24482430, 26114592, 27979920, 32643240, 39171888, 43524320, 48964860, 55959840, 65286480, 78343776, 97929720, 130572960, 195859440, 391718880]

約数ペア:

[(1, 391718880), (2, 195859440), (3, 130572960), (4, 97929720), (5, 78343776), (6, 65286480), (7, 55959840), (8, 48964860), (9, 43524320), (10, 39171888), (12, 32643240), (14, 27979920), (15, 26114592), (16, 24482430), (18, 21762160), (20, 19585944), (21, 18653280), (24, 16321620), (28, 13989960), (30, 13057296), (32, 12241215), (35, 11191968), (36, 10881080), (40, 9792972), (42, 9326640), (45, 8704864), (48, 8160810), (56, 6994980), (60, 6528648), (63, 6217760), (70, 5595984), (72, 5440540), (80, 4896486), (84, 4663320), (90, 4352432), (96, 4080405), (105, 3730656), (112, 3497490), (120, 3264324), (126, 3108880), (140, 2797992), (144, 2720270), (160, 2448243), (168, 2331660), (180, 2176216), (210, 1865328), (224, 1748745), (240, 1632162), (252, 1554440), (280, 1398996), (288, 1360135), (315, 1243552), (336, 1165830), (360, 1088108), (420, 932664), (480, 816081), (504, 777220), (560, 699498), (630, 621776), (672, 582915), (720, 544054), (840, 466332), (1008, 388610), (1120, 349749), (1260, 310888), (1440, 272027), (1680, 233166), (2016, 194305), (2520, 155444), (3360, 116583), (5040, 77722), (10080, 38861)]