28909440

素因数分解:

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

素因数の和:274

約数の個数: 256

約数和(自身を含む): 117504000

約数和(自身を除く): 88594560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 239, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 478, 480, 504, 540, 560, 576, 630, 640, 672, 717, 720, 756, 840, 864, 896, 945, 956, 960, 1008, 1080, 1120, 1152, 1195, 1260, 1344, 1434, 1440, 1512, 1673, 1680, 1728, 1890, 1912, 1920, 2016, 2151, 2160, 2240, 2390, 2520, 2688, 2868, 2880, 3024, 3346, 3360, 3456, 3585, 3780, 3824, 4032, 4302, 4320, 4480, 4780, 5019, 5040, 5736, 5760, 6048, 6453, 6692, 6720, 7170, 7560, 7648, 8064, 8365, 8604, 8640, 9560, 10038, 10080, 10755, 11472, 12096, 12906, 13384, 13440, 14340, 15057, 15120, 15296, 16730, 17208, 17280, 19120, 20076, 20160, 21510, 22944, 24192, 25095, 25812, 26768, 28680, 30114, 30240, 30592, 32265, 33460, 34416, 38240, 40152, 40320, 43020, 45171, 45888, 50190, 51624, 53536, 57360, 60228, 60480, 64530, 66920, 68832, 75285, 76480, 80304, 86040, 90342, 91776, 100380, 103248, 107072, 114720, 120456, 120960, 129060, 133840, 137664, 150570, 152960, 160608, 172080, 180684, 200760, 206496, 214144, 225855, 229440, 240912, 258120, 267680, 275328, 301140, 321216, 344160, 361368, 401520, 412992, 451710, 458880, 481824, 516240, 535360, 602280, 642432, 688320, 722736, 803040, 825984, 903420, 963648, 1032480, 1070720, 1204560, 1376640, 1445472, 1606080, 1806840, 1927296, 2064960, 2409120, 2890944, 3212160, 3613680, 4129920, 4818240, 5781888, 7227360, 9636480, 14454720, 28909440]

約数ペア:

[(1, 28909440), (2, 14454720), (3, 9636480), (4, 7227360), (5, 5781888), (6, 4818240), (7, 4129920), (8, 3613680), (9, 3212160), (10, 2890944), (12, 2409120), (14, 2064960), (15, 1927296), (16, 1806840), (18, 1606080), (20, 1445472), (21, 1376640), (24, 1204560), (27, 1070720), (28, 1032480), (30, 963648), (32, 903420), (35, 825984), (36, 803040), (40, 722736), (42, 688320), (45, 642432), (48, 602280), (54, 535360), (56, 516240), (60, 481824), (63, 458880), (64, 451710), (70, 412992), (72, 401520), (80, 361368), (84, 344160), (90, 321216), (96, 301140), (105, 275328), (108, 267680), (112, 258120), (120, 240912), (126, 229440), (128, 225855), (135, 214144), (140, 206496), (144, 200760), (160, 180684), (168, 172080), (180, 160608), (189, 152960), (192, 150570), (210, 137664), (216, 133840), (224, 129060), (239, 120960), (240, 120456), (252, 114720), (270, 107072), (280, 103248), (288, 100380), (315, 91776), (320, 90342), (336, 86040), (360, 80304), (378, 76480), (384, 75285), (420, 68832), (432, 66920), (448, 64530), (478, 60480), (480, 60228), (504, 57360), (540, 53536), (560, 51624), (576, 50190), (630, 45888), (640, 45171), (672, 43020), (717, 40320), (720, 40152), (756, 38240), (840, 34416), (864, 33460), (896, 32265), (945, 30592), (956, 30240), (960, 30114), (1008, 28680), (1080, 26768), (1120, 25812), (1152, 25095), (1195, 24192), (1260, 22944), (1344, 21510), (1434, 20160), (1440, 20076), (1512, 19120), (1673, 17280), (1680, 17208), (1728, 16730), (1890, 15296), (1912, 15120), (1920, 15057), (2016, 14340), (2151, 13440), (2160, 13384), (2240, 12906), (2390, 12096), (2520, 11472), (2688, 10755), (2868, 10080), (2880, 10038), (3024, 9560), (3346, 8640), (3360, 8604), (3456, 8365), (3585, 8064), (3780, 7648), (3824, 7560), (4032, 7170), (4302, 6720), (4320, 6692), (4480, 6453), (4780, 6048), (5019, 5760), (5040, 5736)]