1644625920

素因数分解:

$2^{16}\times 3^1\times 5^1\times 7^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 272

約数和(自身を含む): 6039751680

約数和(自身を除く): 4395125760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 239, 240, 256, 280, 320, 336, 384, 420, 448, 478, 480, 512, 560, 640, 672, 717, 768, 840, 896, 956, 960, 1024, 1120, 1195, 1280, 1344, 1434, 1536, 1673, 1680, 1792, 1912, 1920, 2048, 2240, 2390, 2560, 2688, 2868, 3072, 3346, 3360, 3584, 3585, 3824, 3840, 4096, 4480, 4780, 5019, 5120, 5376, 5736, 6144, 6692, 6720, 7168, 7170, 7648, 7680, 8192, 8365, 8960, 9560, 10038, 10240, 10752, 11472, 12288, 13384, 13440, 14336, 14340, 15296, 15360, 16384, 16730, 17920, 19120, 20076, 20480, 21504, 22944, 24576, 25095, 26768, 26880, 28672, 28680, 30592, 30720, 32768, 33460, 35840, 38240, 40152, 40960, 43008, 45888, 49152, 50190, 53536, 53760, 57344, 57360, 61184, 61440, 65536, 66920, 71680, 76480, 80304, 81920, 86016, 91776, 98304, 100380, 107072, 107520, 114688, 114720, 122368, 122880, 133840, 143360, 152960, 160608, 163840, 172032, 183552, 196608, 200760, 214144, 215040, 229376, 229440, 244736, 245760, 267680, 286720, 305920, 321216, 327680, 344064, 367104, 401520, 428288, 430080, 458752, 458880, 489472, 491520, 535360, 573440, 611840, 642432, 688128, 734208, 803040, 856576, 860160, 917760, 978944, 983040, 1070720, 1146880, 1223680, 1284864, 1376256, 1468416, 1606080, 1713152, 1720320, 1835520, 1957888, 2141440, 2293760, 2447360, 2569728, 2936832, 3212160, 3426304, 3440640, 3671040, 3915776, 4282880, 4894720, 5139456, 5873664, 6424320, 6852608, 6881280, 7342080, 7831552, 8565760, 9789440, 10278912, 11747328, 12848640, 13705216, 14684160, 15663104, 17131520, 19578880, 20557824, 23494656, 25697280, 27410432, 29368320, 34263040, 39157760, 41115648, 46989312, 51394560, 54820864, 58736640, 68526080, 78315520, 82231296, 102789120, 109641728, 117473280, 137052160, 164462592, 205578240, 234946560, 274104320, 328925184, 411156480, 548208640, 822312960, 1644625920]

約数ペア:

[(1, 1644625920), (2, 822312960), (3, 548208640), (4, 411156480), (5, 328925184), (6, 274104320), (7, 234946560), (8, 205578240), (10, 164462592), (12, 137052160), (14, 117473280), (15, 109641728), (16, 102789120), (20, 82231296), (21, 78315520), (24, 68526080), (28, 58736640), (30, 54820864), (32, 51394560), (35, 46989312), (40, 41115648), (42, 39157760), (48, 34263040), (56, 29368320), (60, 27410432), (64, 25697280), (70, 23494656), (80, 20557824), (84, 19578880), (96, 17131520), (105, 15663104), (112, 14684160), (120, 13705216), (128, 12848640), (140, 11747328), (160, 10278912), (168, 9789440), (192, 8565760), (210, 7831552), (224, 7342080), (239, 6881280), (240, 6852608), (256, 6424320), (280, 5873664), (320, 5139456), (336, 4894720), (384, 4282880), (420, 3915776), (448, 3671040), (478, 3440640), (480, 3426304), (512, 3212160), (560, 2936832), (640, 2569728), (672, 2447360), (717, 2293760), (768, 2141440), (840, 1957888), (896, 1835520), (956, 1720320), (960, 1713152), (1024, 1606080), (1120, 1468416), (1195, 1376256), (1280, 1284864), (1344, 1223680), (1434, 1146880), (1536, 1070720), (1673, 983040), (1680, 978944), (1792, 917760), (1912, 860160), (1920, 856576), (2048, 803040), (2240, 734208), (2390, 688128), (2560, 642432), (2688, 611840), (2868, 573440), (3072, 535360), (3346, 491520), (3360, 489472), (3584, 458880), (3585, 458752), (3824, 430080), (3840, 428288), (4096, 401520), (4480, 367104), (4780, 344064), (5019, 327680), (5120, 321216), (5376, 305920), (5736, 286720), (6144, 267680), (6692, 245760), (6720, 244736), (7168, 229440), (7170, 229376), (7648, 215040), (7680, 214144), (8192, 200760), (8365, 196608), (8960, 183552), (9560, 172032), (10038, 163840), (10240, 160608), (10752, 152960), (11472, 143360), (12288, 133840), (13384, 122880), (13440, 122368), (14336, 114720), (14340, 114688), (15296, 107520), (15360, 107072), (16384, 100380), (16730, 98304), (17920, 91776), (19120, 86016), (20076, 81920), (20480, 80304), (21504, 76480), (22944, 71680), (24576, 66920), (25095, 65536), (26768, 61440), (26880, 61184), (28672, 57360), (28680, 57344), (30592, 53760), (30720, 53536), (32768, 50190), (33460, 49152), (35840, 45888), (38240, 43008), (40152, 40960)]