320255572

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 747183360

約数和(自身を除く): 426927788

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 43, 49, 52, 74, 79, 86, 91, 98, 148, 158, 172, 182, 196, 259, 301, 316, 364, 481, 518, 553, 559, 602, 637, 962, 1027, 1036, 1106, 1118, 1204, 1274, 1591, 1813, 1924, 2054, 2107, 2212, 2236, 2548, 2923, 3182, 3367, 3397, 3626, 3871, 3913, 4108, 4214, 5846, 6364, 6734, 6794, 7189, 7252, 7742, 7826, 8428, 11137, 11692, 13468, 13588, 14378, 15484, 15652, 20461, 20683, 22274, 23569, 23779, 27391, 28756, 37999, 40922, 41366, 44161, 44548, 47138, 47558, 50323, 54782, 75998, 77959, 81844, 82732, 88322, 94276, 95116, 100646, 109564, 125689, 143227, 144781, 151996, 155918, 166453, 176644, 201292, 251378, 265993, 286454, 289562, 309127, 311836, 332906, 502756, 531986, 572908, 579124, 618254, 665812, 879823, 1013467, 1063972, 1236508, 1633957, 1759646, 1861951, 2026934, 2163889, 3267914, 3519292, 3723902, 4053868, 4327778, 6158761, 6535828, 7447804, 8655556, 11437699, 12317522, 22875398, 24635044, 45750796, 80063893, 160127786, 320255572]

約数ペア:

[(1, 320255572), (2, 160127786), (4, 80063893), (7, 45750796), (13, 24635044), (14, 22875398), (26, 12317522), (28, 11437699), (37, 8655556), (43, 7447804), (49, 6535828), (52, 6158761), (74, 4327778), (79, 4053868), (86, 3723902), (91, 3519292), (98, 3267914), (148, 2163889), (158, 2026934), (172, 1861951), (182, 1759646), (196, 1633957), (259, 1236508), (301, 1063972), (316, 1013467), (364, 879823), (481, 665812), (518, 618254), (553, 579124), (559, 572908), (602, 531986), (637, 502756), (962, 332906), (1027, 311836), (1036, 309127), (1106, 289562), (1118, 286454), (1204, 265993), (1274, 251378), (1591, 201292), (1813, 176644), (1924, 166453), (2054, 155918), (2107, 151996), (2212, 144781), (2236, 143227), (2548, 125689), (2923, 109564), (3182, 100646), (3367, 95116), (3397, 94276), (3626, 88322), (3871, 82732), (3913, 81844), (4108, 77959), (4214, 75998), (5846, 54782), (6364, 50323), (6734, 47558), (6794, 47138), (7189, 44548), (7252, 44161), (7742, 41366), (7826, 40922), (8428, 37999), (11137, 28756), (11692, 27391), (13468, 23779), (13588, 23569), (14378, 22274), (15484, 20683), (15652, 20461)]