21784237440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5981}}^1$

素因数の和:6281

約数の個数: 256

約数和(自身を含む): 79663011840

約数和(自身を除く): 57878774400

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, 240, 271, 280, 320, 336, 384, 420, 448, 480, 542, 560, 640, 672, 813, 840, 896, 960, 1084, 1120, 1344, 1355, 1626, 1680, 1897, 1920, 2168, 2240, 2688, 2710, 3252, 3360, 3794, 4065, 4336, 4480, 5420, 5691, 5981, 6504, 6720, 7588, 8130, 8672, 9485, 10840, 11382, 11962, 13008, 13440, 15176, 16260, 17344, 17943, 18970, 21680, 22764, 23924, 26016, 28455, 29905, 30352, 32520, 34688, 35886, 37940, 41867, 43360, 45528, 47848, 52032, 56910, 59810, 60704, 65040, 71772, 75880, 83734, 86720, 89715, 91056, 95696, 104064, 113820, 119620, 121408, 125601, 130080, 143544, 151760, 167468, 173440, 179430, 182112, 191392, 209335, 227640, 239240, 242816, 251202, 260160, 287088, 303520, 334936, 358860, 364224, 382784, 418670, 455280, 478480, 502404, 520320, 574176, 607040, 628005, 669872, 717720, 728448, 765568, 837340, 910560, 956960, 1004808, 1148352, 1214080, 1256010, 1339744, 1435440, 1620851, 1674680, 1821120, 1913920, 2009616, 2296704, 2512020, 2679488, 2870880, 3241702, 3349360, 3642240, 3827840, 4019232, 4862553, 5024040, 5358976, 5741760, 6483404, 6698720, 8038464, 8104255, 9725106, 10048080, 11345957, 11483520, 12966808, 13397440, 16076928, 16208510, 19450212, 20096160, 22691914, 24312765, 25933616, 26794880, 32417020, 34037871, 38900424, 40192320, 45383828, 48625530, 51867232, 56729785, 64834040, 68075742, 77800848, 80384640, 90767656, 97251060, 103734464, 113459570, 129668080, 136151484, 155601696, 170189355, 181535312, 194502120, 207468928, 226919140, 259336160, 272302968, 311203392, 340378710, 363070624, 389004240, 453838280, 518672320, 544605936, 622406784, 680757420, 726141248, 778008480, 907676560, 1037344640, 1089211872, 1361514840, 1452282496, 1556016960, 1815353120, 2178423744, 2723029680, 3112033920, 3630706240, 4356847488, 5446059360, 7261412480, 10892118720, 21784237440]

約数ペア:

[(1, 21784237440), (2, 10892118720), (3, 7261412480), (4, 5446059360), (5, 4356847488), (6, 3630706240), (7, 3112033920), (8, 2723029680), (10, 2178423744), (12, 1815353120), (14, 1556016960), (15, 1452282496), (16, 1361514840), (20, 1089211872), (21, 1037344640), (24, 907676560), (28, 778008480), (30, 726141248), (32, 680757420), (35, 622406784), (40, 544605936), (42, 518672320), (48, 453838280), (56, 389004240), (60, 363070624), (64, 340378710), (70, 311203392), (80, 272302968), (84, 259336160), (96, 226919140), (105, 207468928), (112, 194502120), (120, 181535312), (128, 170189355), (140, 155601696), (160, 136151484), (168, 129668080), (192, 113459570), (210, 103734464), (224, 97251060), (240, 90767656), (271, 80384640), (280, 77800848), (320, 68075742), (336, 64834040), (384, 56729785), (420, 51867232), (448, 48625530), (480, 45383828), (542, 40192320), (560, 38900424), (640, 34037871), (672, 32417020), (813, 26794880), (840, 25933616), (896, 24312765), (960, 22691914), (1084, 20096160), (1120, 19450212), (1344, 16208510), (1355, 16076928), (1626, 13397440), (1680, 12966808), (1897, 11483520), (1920, 11345957), (2168, 10048080), (2240, 9725106), (2688, 8104255), (2710, 8038464), (3252, 6698720), (3360, 6483404), (3794, 5741760), (4065, 5358976), (4336, 5024040), (4480, 4862553), (5420, 4019232), (5691, 3827840), (5981, 3642240), (6504, 3349360), (6720, 3241702), (7588, 2870880), (8130, 2679488), (8672, 2512020), (9485, 2296704), (10840, 2009616), (11382, 1913920), (11962, 1821120), (13008, 1674680), (13440, 1620851), (15176, 1435440), (16260, 1339744), (17344, 1256010), (17943, 1214080), (18970, 1148352), (21680, 1004808), (22764, 956960), (23924, 910560), (26016, 837340), (28455, 765568), (29905, 728448), (30352, 717720), (32520, 669872), (34688, 628005), (35886, 607040), (37940, 574176), (41867, 520320), (43360, 502404), (45528, 478480), (47848, 455280), (52032, 418670), (56910, 382784), (59810, 364224), (60704, 358860), (65040, 334936), (71772, 303520), (75880, 287088), (83734, 260160), (86720, 251202), (89715, 242816), (91056, 239240), (95696, 227640), (104064, 209335), (113820, 191392), (119620, 182112), (121408, 179430), (125601, 173440), (130080, 167468), (143544, 151760)]