657887360

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{739}}^1$

素因数の和:878

約数の個数: 128

約数和(自身を含む): 1711886400

約数和(自身を除く): 1053999040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 107, 128, 130, 160, 208, 214, 260, 320, 416, 428, 520, 535, 640, 739, 832, 856, 1040, 1070, 1391, 1478, 1664, 1712, 2080, 2140, 2782, 2956, 3424, 3695, 4160, 4280, 5564, 5912, 6848, 6955, 7390, 8320, 8560, 9607, 11128, 11824, 13696, 13910, 14780, 17120, 19214, 22256, 23648, 27820, 29560, 34240, 38428, 44512, 47296, 48035, 55640, 59120, 68480, 76856, 79073, 89024, 94592, 96070, 111280, 118240, 153712, 158146, 178048, 192140, 222560, 236480, 307424, 316292, 384280, 395365, 445120, 472960, 614848, 632584, 768560, 790730, 890240, 1027949, 1229696, 1265168, 1537120, 1581460, 2055898, 2530336, 3074240, 3162920, 4111796, 5060672, 5139745, 6148480, 6325840, 8223592, 10121344, 10279490, 12651680, 16447184, 20558980, 25303360, 32894368, 41117960, 50606720, 65788736, 82235920, 131577472, 164471840, 328943680, 657887360]

約数ペア:

[(1, 657887360), (2, 328943680), (4, 164471840), (5, 131577472), (8, 82235920), (10, 65788736), (13, 50606720), (16, 41117960), (20, 32894368), (26, 25303360), (32, 20558980), (40, 16447184), (52, 12651680), (64, 10279490), (65, 10121344), (80, 8223592), (104, 6325840), (107, 6148480), (128, 5139745), (130, 5060672), (160, 4111796), (208, 3162920), (214, 3074240), (260, 2530336), (320, 2055898), (416, 1581460), (428, 1537120), (520, 1265168), (535, 1229696), (640, 1027949), (739, 890240), (832, 790730), (856, 768560), (1040, 632584), (1070, 614848), (1391, 472960), (1478, 445120), (1664, 395365), (1712, 384280), (2080, 316292), (2140, 307424), (2782, 236480), (2956, 222560), (3424, 192140), (3695, 178048), (4160, 158146), (4280, 153712), (5564, 118240), (5912, 111280), (6848, 96070), (6955, 94592), (7390, 89024), (8320, 79073), (8560, 76856), (9607, 68480), (11128, 59120), (11824, 55640), (13696, 48035), (13910, 47296), (14780, 44512), (17120, 38428), (19214, 34240), (22256, 29560), (23648, 27820)]