208808280

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 240

約数和(自身を含む): 748883520

約数和(自身を除く): 540075240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 223, 255, 270, 289, 306, 324, 340, 360, 405, 408, 446, 459, 510, 540, 578, 612, 648, 669, 680, 765, 810, 867, 892, 918, 1020, 1080, 1115, 1156, 1224, 1338, 1377, 1445, 1530, 1620, 1734, 1784, 1836, 2007, 2040, 2230, 2295, 2312, 2601, 2676, 2754, 2890, 3060, 3240, 3345, 3468, 3672, 3791, 4014, 4335, 4460, 4590, 5202, 5352, 5508, 5780, 6021, 6120, 6690, 6885, 6936, 7582, 7803, 8028, 8670, 8920, 9180, 10035, 10404, 11016, 11373, 11560, 12042, 13005, 13380, 13770, 15164, 15606, 16056, 17340, 18063, 18360, 18955, 20070, 20808, 22746, 23409, 24084, 26010, 26760, 27540, 30105, 30328, 31212, 34119, 34680, 36126, 37910, 39015, 40140, 45492, 46818, 48168, 52020, 55080, 56865, 60210, 62424, 64447, 68238, 72252, 75820, 78030, 80280, 90315, 90984, 93636, 102357, 104040, 113730, 117045, 120420, 128894, 136476, 144504, 151640, 156060, 170595, 180630, 187272, 193341, 204714, 227460, 234090, 240840, 257788, 272952, 307071, 312120, 322235, 341190, 361260, 386682, 409428, 454920, 468180, 511785, 515576, 580023, 614142, 644470, 682380, 722520, 773364, 818856, 936360, 966705, 1023570, 1160046, 1228284, 1288940, 1364760, 1535355, 1546728, 1740069, 1933410, 2047140, 2320092, 2456568, 2577880, 2900115, 3070710, 3480138, 3866820, 4094280, 4640184, 5220207, 5800230, 6141420, 6960276, 7733640, 8700345, 10440414, 11600460, 12282840, 13920552, 17400690, 20880828, 23200920, 26101035, 34801380, 41761656, 52202070, 69602760, 104404140, 208808280]

約数ペア:

[(1, 208808280), (2, 104404140), (3, 69602760), (4, 52202070), (5, 41761656), (6, 34801380), (8, 26101035), (9, 23200920), (10, 20880828), (12, 17400690), (15, 13920552), (17, 12282840), (18, 11600460), (20, 10440414), (24, 8700345), (27, 7733640), (30, 6960276), (34, 6141420), (36, 5800230), (40, 5220207), (45, 4640184), (51, 4094280), (54, 3866820), (60, 3480138), (68, 3070710), (72, 2900115), (81, 2577880), (85, 2456568), (90, 2320092), (102, 2047140), (108, 1933410), (120, 1740069), (135, 1546728), (136, 1535355), (153, 1364760), (162, 1288940), (170, 1228284), (180, 1160046), (204, 1023570), (216, 966705), (223, 936360), (255, 818856), (270, 773364), (289, 722520), (306, 682380), (324, 644470), (340, 614142), (360, 580023), (405, 515576), (408, 511785), (446, 468180), (459, 454920), (510, 409428), (540, 386682), (578, 361260), (612, 341190), (648, 322235), (669, 312120), (680, 307071), (765, 272952), (810, 257788), (867, 240840), (892, 234090), (918, 227460), (1020, 204714), (1080, 193341), (1115, 187272), (1156, 180630), (1224, 170595), (1338, 156060), (1377, 151640), (1445, 144504), (1530, 136476), (1620, 128894), (1734, 120420), (1784, 117045), (1836, 113730), (2007, 104040), (2040, 102357), (2230, 93636), (2295, 90984), (2312, 90315), (2601, 80280), (2676, 78030), (2754, 75820), (2890, 72252), (3060, 68238), (3240, 64447), (3345, 62424), (3468, 60210), (3672, 56865), (3791, 55080), (4014, 52020), (4335, 48168), (4460, 46818), (4590, 45492), (5202, 40140), (5352, 39015), (5508, 37910), (5780, 36126), (6021, 34680), (6120, 34119), (6690, 31212), (6885, 30328), (6936, 30105), (7582, 27540), (7803, 26760), (8028, 26010), (8670, 24084), (8920, 23409), (9180, 22746), (10035, 20808), (10404, 20070), (11016, 18955), (11373, 18360), (11560, 18063), (12042, 17340), (13005, 16056), (13380, 15606), (13770, 15164)]