254380560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:350

約数の個数: 240

約数和(自身を含む): 930940416

約数和(自身を除く): 676559856

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 97, 98, 105, 112, 120, 140, 147, 168, 194, 196, 210, 223, 240, 245, 280, 291, 294, 336, 388, 392, 420, 446, 485, 490, 560, 582, 588, 669, 679, 735, 776, 784, 840, 892, 970, 980, 1115, 1164, 1176, 1338, 1358, 1455, 1470, 1552, 1561, 1680, 1784, 1940, 1960, 2037, 2230, 2328, 2352, 2676, 2716, 2910, 2940, 3122, 3345, 3395, 3568, 3880, 3920, 4074, 4460, 4656, 4683, 4753, 5352, 5432, 5820, 5880, 6244, 6690, 6790, 7760, 7805, 8148, 8920, 9366, 9506, 10185, 10704, 10864, 10927, 11640, 11760, 12488, 13380, 13580, 14259, 15610, 16296, 17840, 18732, 19012, 20370, 21631, 21854, 23280, 23415, 23765, 24976, 26760, 27160, 28518, 31220, 32592, 32781, 37464, 38024, 40740, 43262, 43708, 46830, 47530, 53520, 54320, 54635, 57036, 62440, 64893, 65562, 71295, 74928, 76048, 81480, 86524, 87416, 93660, 95060, 108155, 109270, 114072, 124880, 129786, 131124, 142590, 151417, 162960, 163905, 173048, 174832, 187320, 190120, 216310, 218540, 228144, 259572, 262248, 285180, 302834, 324465, 327810, 346096, 374640, 380240, 432620, 437080, 454251, 519144, 524496, 570360, 605668, 648930, 655620, 757085, 865240, 874160, 908502, 1038288, 1059919, 1140720, 1211336, 1297860, 1311240, 1514170, 1730480, 1817004, 2119838, 2271255, 2422672, 2595720, 2622480, 3028340, 3179757, 3634008, 4239676, 4542510, 5191440, 5299595, 6056680, 6359514, 7268016, 8479352, 9085020, 10599190, 12113360, 12719028, 15898785, 16958704, 18170040, 21198380, 25438056, 31797570, 36340080, 42396760, 50876112, 63595140, 84793520, 127190280, 254380560]

約数ペア:

[(1, 254380560), (2, 127190280), (3, 84793520), (4, 63595140), (5, 50876112), (6, 42396760), (7, 36340080), (8, 31797570), (10, 25438056), (12, 21198380), (14, 18170040), (15, 16958704), (16, 15898785), (20, 12719028), (21, 12113360), (24, 10599190), (28, 9085020), (30, 8479352), (35, 7268016), (40, 6359514), (42, 6056680), (48, 5299595), (49, 5191440), (56, 4542510), (60, 4239676), (70, 3634008), (80, 3179757), (84, 3028340), (97, 2622480), (98, 2595720), (105, 2422672), (112, 2271255), (120, 2119838), (140, 1817004), (147, 1730480), (168, 1514170), (194, 1311240), (196, 1297860), (210, 1211336), (223, 1140720), (240, 1059919), (245, 1038288), (280, 908502), (291, 874160), (294, 865240), (336, 757085), (388, 655620), (392, 648930), (420, 605668), (446, 570360), (485, 524496), (490, 519144), (560, 454251), (582, 437080), (588, 432620), (669, 380240), (679, 374640), (735, 346096), (776, 327810), (784, 324465), (840, 302834), (892, 285180), (970, 262248), (980, 259572), (1115, 228144), (1164, 218540), (1176, 216310), (1338, 190120), (1358, 187320), (1455, 174832), (1470, 173048), (1552, 163905), (1561, 162960), (1680, 151417), (1784, 142590), (1940, 131124), (1960, 129786), (2037, 124880), (2230, 114072), (2328, 109270), (2352, 108155), (2676, 95060), (2716, 93660), (2910, 87416), (2940, 86524), (3122, 81480), (3345, 76048), (3395, 74928), (3568, 71295), (3880, 65562), (3920, 64893), (4074, 62440), (4460, 57036), (4656, 54635), (4683, 54320), (4753, 53520), (5352, 47530), (5432, 46830), (5820, 43708), (5880, 43262), (6244, 40740), (6690, 38024), (6790, 37464), (7760, 32781), (7805, 32592), (8148, 31220), (8920, 28518), (9366, 27160), (9506, 26760), (10185, 24976), (10704, 23765), (10864, 23415), (10927, 23280), (11640, 21854), (11760, 21631), (12488, 20370), (13380, 19012), (13580, 18732), (14259, 17840), (15610, 16296)]