8431920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{239}}^1$

素因数の和:272

約数の個数: 180

約数和(自身を含む): 33078240

約数和(自身を除く): 24646320

約数列:

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

約数ペア:

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