16863840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{239}}^1$

素因数の和:274

約数の個数: 216

約数和(自身を含む): 67223520

約数和(自身を除く): 50359680

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, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 239, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 478, 480, 490, 504, 560, 588, 630, 672, 717, 720, 735, 784, 840, 882, 956, 980, 1008, 1120, 1176, 1195, 1260, 1434, 1440, 1470, 1568, 1673, 1680, 1764, 1912, 1960, 2016, 2151, 2205, 2352, 2390, 2520, 2868, 2940, 3346, 3360, 3528, 3585, 3824, 3920, 4302, 4410, 4704, 4780, 5019, 5040, 5736, 5880, 6692, 7056, 7170, 7648, 7840, 8365, 8604, 8820, 9560, 10038, 10080, 10755, 11472, 11711, 11760, 13384, 14112, 14340, 15057, 16730, 17208, 17640, 19120, 20076, 21510, 22944, 23422, 23520, 25095, 26768, 28680, 30114, 33460, 34416, 35133, 35280, 38240, 40152, 43020, 46844, 50190, 53536, 57360, 58555, 60228, 66920, 68832, 70266, 70560, 75285, 80304, 86040, 93688, 100380, 105399, 114720, 117110, 120456, 133840, 140532, 150570, 160608, 172080, 175665, 187376, 200760, 210798, 234220, 240912, 267680, 281064, 301140, 344160, 351330, 374752, 401520, 421596, 468440, 481824, 526995, 562128, 602280, 702660, 803040, 843192, 936880, 1053990, 1124256, 1204560, 1405320, 1686384, 1873760, 2107980, 2409120, 2810640, 3372768, 4215960, 5621280, 8431920, 16863840]

約数ペア:

[(1, 16863840), (2, 8431920), (3, 5621280), (4, 4215960), (5, 3372768), (6, 2810640), (7, 2409120), (8, 2107980), (9, 1873760), (10, 1686384), (12, 1405320), (14, 1204560), (15, 1124256), (16, 1053990), (18, 936880), (20, 843192), (21, 803040), (24, 702660), (28, 602280), (30, 562128), (32, 526995), (35, 481824), (36, 468440), (40, 421596), (42, 401520), (45, 374752), (48, 351330), (49, 344160), (56, 301140), (60, 281064), (63, 267680), (70, 240912), (72, 234220), (80, 210798), (84, 200760), (90, 187376), (96, 175665), (98, 172080), (105, 160608), (112, 150570), (120, 140532), (126, 133840), (140, 120456), (144, 117110), (147, 114720), (160, 105399), (168, 100380), (180, 93688), (196, 86040), (210, 80304), (224, 75285), (239, 70560), (240, 70266), (245, 68832), (252, 66920), (280, 60228), (288, 58555), (294, 57360), (315, 53536), (336, 50190), (360, 46844), (392, 43020), (420, 40152), (441, 38240), (478, 35280), (480, 35133), (490, 34416), (504, 33460), (560, 30114), (588, 28680), (630, 26768), (672, 25095), (717, 23520), (720, 23422), (735, 22944), (784, 21510), (840, 20076), (882, 19120), (956, 17640), (980, 17208), (1008, 16730), (1120, 15057), (1176, 14340), (1195, 14112), (1260, 13384), (1434, 11760), (1440, 11711), (1470, 11472), (1568, 10755), (1673, 10080), (1680, 10038), (1764, 9560), (1912, 8820), (1960, 8604), (2016, 8365), (2151, 7840), (2205, 7648), (2352, 7170), (2390, 7056), (2520, 6692), (2868, 5880), (2940, 5736), (3346, 5040), (3360, 5019), (3528, 4780), (3585, 4704), (3824, 4410), (3920, 4302)]