321447840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:284

約数の個数: 288

約数和(自身を含む): 1199681280

約数和(自身を除く): 878233440

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, 49, 56, 60, 70, 79, 80, 84, 96, 98, 105, 112, 120, 140, 147, 158, 160, 168, 173, 196, 210, 224, 237, 240, 245, 280, 294, 316, 336, 346, 392, 395, 420, 474, 480, 490, 519, 553, 560, 588, 632, 672, 692, 735, 784, 790, 840, 865, 948, 980, 1038, 1106, 1120, 1176, 1185, 1211, 1264, 1384, 1470, 1568, 1580, 1659, 1680, 1730, 1896, 1960, 2076, 2212, 2352, 2370, 2422, 2528, 2595, 2765, 2768, 2940, 3160, 3318, 3360, 3460, 3633, 3792, 3871, 3920, 4152, 4424, 4704, 4740, 4844, 5190, 5530, 5536, 5880, 6055, 6320, 6636, 6920, 7266, 7584, 7742, 7840, 8295, 8304, 8477, 8848, 9480, 9688, 10380, 11060, 11613, 11760, 12110, 12640, 13272, 13667, 13840, 14532, 15484, 16590, 16608, 16954, 17696, 18165, 18960, 19355, 19376, 20760, 22120, 23226, 23520, 24220, 25431, 26544, 27334, 27680, 29064, 30968, 33180, 33908, 36330, 37920, 38710, 38752, 41001, 41520, 42385, 44240, 46452, 48440, 50862, 53088, 54668, 58065, 58128, 61936, 66360, 67816, 68335, 72660, 77420, 82002, 83040, 84770, 88480, 92904, 95669, 96880, 101724, 109336, 116130, 116256, 123872, 127155, 132720, 135632, 136670, 145320, 154840, 164004, 169540, 185808, 191338, 193760, 203448, 205005, 218672, 232260, 254310, 265440, 271264, 273340, 287007, 290640, 309680, 328008, 339080, 371616, 382676, 406896, 410010, 437344, 464520, 478345, 508620, 546680, 574014, 581280, 619360, 656016, 669683, 678160, 765352, 813792, 820020, 929040, 956690, 1017240, 1093360, 1148028, 1312032, 1339366, 1356320, 1435035, 1530704, 1640040, 1858080, 1913380, 2009049, 2034480, 2186720, 2296056, 2678732, 2870070, 3061408, 3280080, 3348415, 3826760, 4018098, 4068960, 4592112, 5357464, 5740140, 6560160, 6696830, 7653520, 8036196, 9184224, 10045245, 10714928, 11480280, 13393660, 15307040, 16072392, 20090490, 21429856, 22960560, 26787320, 32144784, 40180980, 45921120, 53574640, 64289568, 80361960, 107149280, 160723920, 321447840]

約数ペア:

[(1, 321447840), (2, 160723920), (3, 107149280), (4, 80361960), (5, 64289568), (6, 53574640), (7, 45921120), (8, 40180980), (10, 32144784), (12, 26787320), (14, 22960560), (15, 21429856), (16, 20090490), (20, 16072392), (21, 15307040), (24, 13393660), (28, 11480280), (30, 10714928), (32, 10045245), (35, 9184224), (40, 8036196), (42, 7653520), (48, 6696830), (49, 6560160), (56, 5740140), (60, 5357464), (70, 4592112), (79, 4068960), (80, 4018098), (84, 3826760), (96, 3348415), (98, 3280080), (105, 3061408), (112, 2870070), (120, 2678732), (140, 2296056), (147, 2186720), (158, 2034480), (160, 2009049), (168, 1913380), (173, 1858080), (196, 1640040), (210, 1530704), (224, 1435035), (237, 1356320), (240, 1339366), (245, 1312032), (280, 1148028), (294, 1093360), (316, 1017240), (336, 956690), (346, 929040), (392, 820020), (395, 813792), (420, 765352), (474, 678160), (480, 669683), (490, 656016), (519, 619360), (553, 581280), (560, 574014), (588, 546680), (632, 508620), (672, 478345), (692, 464520), (735, 437344), (784, 410010), (790, 406896), (840, 382676), (865, 371616), (948, 339080), (980, 328008), (1038, 309680), (1106, 290640), (1120, 287007), (1176, 273340), (1185, 271264), (1211, 265440), (1264, 254310), (1384, 232260), (1470, 218672), (1568, 205005), (1580, 203448), (1659, 193760), (1680, 191338), (1730, 185808), (1896, 169540), (1960, 164004), (2076, 154840), (2212, 145320), (2352, 136670), (2370, 135632), (2422, 132720), (2528, 127155), (2595, 123872), (2765, 116256), (2768, 116130), (2940, 109336), (3160, 101724), (3318, 96880), (3360, 95669), (3460, 92904), (3633, 88480), (3792, 84770), (3871, 83040), (3920, 82002), (4152, 77420), (4424, 72660), (4704, 68335), (4740, 67816), (4844, 66360), (5190, 61936), (5530, 58128), (5536, 58065), (5880, 54668), (6055, 53088), (6320, 50862), (6636, 48440), (6920, 46452), (7266, 44240), (7584, 42385), (7742, 41520), (7840, 41001), (8295, 38752), (8304, 38710), (8477, 37920), (8848, 36330), (9480, 33908), (9688, 33180), (10380, 30968), (11060, 29064), (11613, 27680), (11760, 27334), (12110, 26544), (12640, 25431), (13272, 24220), (13667, 23520), (13840, 23226), (14532, 22120), (15484, 20760), (16590, 19376), (16608, 19355), (16954, 18960), (17696, 18165)]