213911460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:415

約数の個数: 216

約数和(自身を含む): 766846080

約数和(自身を除く): 552934620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 79, 84, 90, 98, 105, 126, 140, 147, 158, 180, 196, 210, 237, 245, 252, 294, 307, 315, 316, 395, 420, 441, 474, 490, 553, 588, 614, 630, 711, 735, 790, 882, 921, 948, 980, 1106, 1185, 1228, 1260, 1422, 1470, 1535, 1580, 1659, 1764, 1842, 2149, 2205, 2212, 2370, 2763, 2765, 2844, 2940, 3070, 3318, 3555, 3684, 3871, 4298, 4410, 4605, 4740, 4977, 5526, 5530, 6140, 6447, 6636, 7110, 7742, 8295, 8596, 8820, 9210, 9954, 10745, 11052, 11060, 11613, 12894, 13815, 14220, 15043, 15484, 16590, 18420, 19341, 19355, 19908, 21490, 23226, 24253, 24885, 25788, 27630, 30086, 32235, 33180, 34839, 38682, 38710, 42980, 45129, 46452, 48506, 49770, 55260, 58065, 60172, 64470, 69678, 72759, 75215, 77364, 77420, 90258, 96705, 97012, 99540, 116130, 121265, 128940, 135387, 139356, 145518, 150430, 169771, 174195, 180516, 193410, 218277, 225645, 232260, 242530, 270774, 291036, 300860, 339542, 348390, 363795, 386820, 436554, 451290, 485060, 509313, 541548, 676935, 679084, 696780, 727590, 848855, 873108, 902580, 1018626, 1091385, 1188397, 1353870, 1455180, 1527939, 1697710, 2037252, 2182770, 2376794, 2546565, 2707740, 3055878, 3395420, 3565191, 4365540, 4753588, 5093130, 5941985, 6111756, 7130382, 7639695, 10186260, 10695573, 11883970, 14260764, 15279390, 17825955, 21391146, 23767940, 30558780, 35651910, 42782292, 53477865, 71303820, 106955730, 213911460]

約数ペア:

[(1, 213911460), (2, 106955730), (3, 71303820), (4, 53477865), (5, 42782292), (6, 35651910), (7, 30558780), (9, 23767940), (10, 21391146), (12, 17825955), (14, 15279390), (15, 14260764), (18, 11883970), (20, 10695573), (21, 10186260), (28, 7639695), (30, 7130382), (35, 6111756), (36, 5941985), (42, 5093130), (45, 4753588), (49, 4365540), (60, 3565191), (63, 3395420), (70, 3055878), (79, 2707740), (84, 2546565), (90, 2376794), (98, 2182770), (105, 2037252), (126, 1697710), (140, 1527939), (147, 1455180), (158, 1353870), (180, 1188397), (196, 1091385), (210, 1018626), (237, 902580), (245, 873108), (252, 848855), (294, 727590), (307, 696780), (315, 679084), (316, 676935), (395, 541548), (420, 509313), (441, 485060), (474, 451290), (490, 436554), (553, 386820), (588, 363795), (614, 348390), (630, 339542), (711, 300860), (735, 291036), (790, 270774), (882, 242530), (921, 232260), (948, 225645), (980, 218277), (1106, 193410), (1185, 180516), (1228, 174195), (1260, 169771), (1422, 150430), (1470, 145518), (1535, 139356), (1580, 135387), (1659, 128940), (1764, 121265), (1842, 116130), (2149, 99540), (2205, 97012), (2212, 96705), (2370, 90258), (2763, 77420), (2765, 77364), (2844, 75215), (2940, 72759), (3070, 69678), (3318, 64470), (3555, 60172), (3684, 58065), (3871, 55260), (4298, 49770), (4410, 48506), (4605, 46452), (4740, 45129), (4977, 42980), (5526, 38710), (5530, 38682), (6140, 34839), (6447, 33180), (6636, 32235), (7110, 30086), (7742, 27630), (8295, 25788), (8596, 24885), (8820, 24253), (9210, 23226), (9954, 21490), (10745, 19908), (11052, 19355), (11060, 19341), (11613, 18420), (12894, 16590), (13815, 15484), (14220, 15043)]