81125100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 216

約数和(自身を含む): 296092160

約数和(自身を除く): 214967060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 79, 84, 90, 100, 105, 126, 140, 150, 158, 163, 175, 180, 210, 225, 237, 252, 300, 315, 316, 326, 350, 395, 420, 450, 474, 489, 525, 553, 630, 652, 700, 711, 790, 815, 900, 948, 978, 1050, 1106, 1141, 1185, 1260, 1422, 1467, 1575, 1580, 1630, 1659, 1956, 1975, 2100, 2212, 2282, 2370, 2445, 2765, 2844, 2934, 3150, 3260, 3318, 3423, 3555, 3950, 4075, 4564, 4740, 4890, 4977, 5530, 5705, 5868, 5925, 6300, 6636, 6846, 7110, 7335, 7900, 8150, 8295, 9780, 9954, 10269, 11060, 11410, 11850, 12225, 12877, 13692, 13825, 14220, 14670, 16300, 16590, 17115, 17775, 19908, 20538, 22820, 23700, 24450, 24885, 25754, 27650, 28525, 29340, 33180, 34230, 35550, 36675, 38631, 41076, 41475, 48900, 49770, 51345, 51508, 55300, 57050, 64385, 68460, 71100, 73350, 77262, 82950, 85575, 90139, 99540, 102690, 114100, 115893, 124425, 128770, 146700, 154524, 165900, 171150, 180278, 193155, 205380, 231786, 248850, 256725, 257540, 270417, 321925, 342300, 360556, 386310, 450695, 463572, 497700, 513450, 540834, 579465, 643850, 772620, 811251, 901390, 965775, 1026900, 1081668, 1158930, 1287700, 1352085, 1622502, 1802780, 1931550, 2253475, 2317860, 2704170, 2897325, 3245004, 3863100, 4056255, 4506950, 5408340, 5794650, 6760425, 8112510, 9013900, 11589300, 13520850, 16225020, 20281275, 27041700, 40562550, 81125100]

約数ペア:

[(1, 81125100), (2, 40562550), (3, 27041700), (4, 20281275), (5, 16225020), (6, 13520850), (7, 11589300), (9, 9013900), (10, 8112510), (12, 6760425), (14, 5794650), (15, 5408340), (18, 4506950), (20, 4056255), (21, 3863100), (25, 3245004), (28, 2897325), (30, 2704170), (35, 2317860), (36, 2253475), (42, 1931550), (45, 1802780), (50, 1622502), (60, 1352085), (63, 1287700), (70, 1158930), (75, 1081668), (79, 1026900), (84, 965775), (90, 901390), (100, 811251), (105, 772620), (126, 643850), (140, 579465), (150, 540834), (158, 513450), (163, 497700), (175, 463572), (180, 450695), (210, 386310), (225, 360556), (237, 342300), (252, 321925), (300, 270417), (315, 257540), (316, 256725), (326, 248850), (350, 231786), (395, 205380), (420, 193155), (450, 180278), (474, 171150), (489, 165900), (525, 154524), (553, 146700), (630, 128770), (652, 124425), (700, 115893), (711, 114100), (790, 102690), (815, 99540), (900, 90139), (948, 85575), (978, 82950), (1050, 77262), (1106, 73350), (1141, 71100), (1185, 68460), (1260, 64385), (1422, 57050), (1467, 55300), (1575, 51508), (1580, 51345), (1630, 49770), (1659, 48900), (1956, 41475), (1975, 41076), (2100, 38631), (2212, 36675), (2282, 35550), (2370, 34230), (2445, 33180), (2765, 29340), (2844, 28525), (2934, 27650), (3150, 25754), (3260, 24885), (3318, 24450), (3423, 23700), (3555, 22820), (3950, 20538), (4075, 19908), (4564, 17775), (4740, 17115), (4890, 16590), (4977, 16300), (5530, 14670), (5705, 14220), (5868, 13825), (5925, 13692), (6300, 12877), (6636, 12225), (6846, 11850), (7110, 11410), (7335, 11060), (7900, 10269), (8150, 9954), (8295, 9780)]