289728180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:443

約数の個数: 216

約数和(自身を含む): 1035242208

約数和(自身を除く): 745514028

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, 84, 90, 98, 105, 107, 126, 140, 147, 180, 196, 210, 214, 245, 252, 294, 307, 315, 321, 420, 428, 441, 490, 535, 588, 614, 630, 642, 735, 749, 882, 921, 963, 980, 1070, 1228, 1260, 1284, 1470, 1498, 1535, 1605, 1764, 1842, 1926, 2140, 2149, 2205, 2247, 2763, 2940, 2996, 3070, 3210, 3684, 3745, 3852, 4298, 4410, 4494, 4605, 4815, 5243, 5526, 6140, 6420, 6447, 6741, 7490, 8596, 8820, 8988, 9210, 9630, 10486, 10745, 11052, 11235, 12894, 13482, 13815, 14980, 15043, 15729, 18420, 19260, 19341, 20972, 21490, 22470, 25788, 26215, 26964, 27630, 30086, 31458, 32235, 32849, 33705, 38682, 42980, 44940, 45129, 47187, 52430, 55260, 60172, 62916, 64470, 65698, 67410, 75215, 77364, 78645, 90258, 94374, 96705, 98547, 104860, 128940, 131396, 134820, 135387, 150430, 157290, 164245, 180516, 188748, 193410, 197094, 225645, 229943, 235935, 270774, 295641, 300860, 314580, 328490, 386820, 394188, 451290, 459886, 471870, 492735, 541548, 591282, 656980, 676935, 689829, 902580, 919772, 943740, 985470, 1149715, 1182564, 1353870, 1379658, 1478205, 1609601, 1970940, 2069487, 2299430, 2707740, 2759316, 2956410, 3219202, 3449145, 4138974, 4598860, 4828803, 5912820, 6438404, 6898290, 8048005, 8277948, 9657606, 10347435, 13796580, 14486409, 16096010, 19315212, 20694870, 24144015, 28972818, 32192020, 41389740, 48288030, 57945636, 72432045, 96576060, 144864090, 289728180]

約数ペア:

[(1, 289728180), (2, 144864090), (3, 96576060), (4, 72432045), (5, 57945636), (6, 48288030), (7, 41389740), (9, 32192020), (10, 28972818), (12, 24144015), (14, 20694870), (15, 19315212), (18, 16096010), (20, 14486409), (21, 13796580), (28, 10347435), (30, 9657606), (35, 8277948), (36, 8048005), (42, 6898290), (45, 6438404), (49, 5912820), (60, 4828803), (63, 4598860), (70, 4138974), (84, 3449145), (90, 3219202), (98, 2956410), (105, 2759316), (107, 2707740), (126, 2299430), (140, 2069487), (147, 1970940), (180, 1609601), (196, 1478205), (210, 1379658), (214, 1353870), (245, 1182564), (252, 1149715), (294, 985470), (307, 943740), (315, 919772), (321, 902580), (420, 689829), (428, 676935), (441, 656980), (490, 591282), (535, 541548), (588, 492735), (614, 471870), (630, 459886), (642, 451290), (735, 394188), (749, 386820), (882, 328490), (921, 314580), (963, 300860), (980, 295641), (1070, 270774), (1228, 235935), (1260, 229943), (1284, 225645), (1470, 197094), (1498, 193410), (1535, 188748), (1605, 180516), (1764, 164245), (1842, 157290), (1926, 150430), (2140, 135387), (2149, 134820), (2205, 131396), (2247, 128940), (2763, 104860), (2940, 98547), (2996, 96705), (3070, 94374), (3210, 90258), (3684, 78645), (3745, 77364), (3852, 75215), (4298, 67410), (4410, 65698), (4494, 64470), (4605, 62916), (4815, 60172), (5243, 55260), (5526, 52430), (6140, 47187), (6420, 45129), (6447, 44940), (6741, 42980), (7490, 38682), (8596, 33705), (8820, 32849), (8988, 32235), (9210, 31458), (9630, 30086), (10486, 27630), (10745, 26964), (11052, 26215), (11235, 25788), (12894, 22470), (13482, 21490), (13815, 20972), (14980, 19341), (15043, 19260), (15729, 18420)]