30720564

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 96235776

約数和(自身を除く): 65515212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 71, 84, 101, 102, 119, 126, 142, 153, 202, 204, 213, 238, 252, 284, 303, 306, 357, 404, 426, 476, 497, 606, 612, 639, 707, 714, 852, 909, 994, 1071, 1207, 1212, 1278, 1414, 1428, 1491, 1717, 1818, 1988, 2121, 2142, 2414, 2556, 2828, 2982, 3434, 3621, 3636, 4242, 4284, 4473, 4828, 5151, 5964, 6363, 6868, 7171, 7242, 8449, 8484, 8946, 10302, 10863, 12019, 12726, 14342, 14484, 15453, 16898, 17892, 20604, 21513, 21726, 24038, 25347, 25452, 28684, 30906, 33796, 36057, 43026, 43452, 48076, 50197, 50694, 61812, 64539, 72114, 76041, 86052, 100394, 101388, 108171, 121907, 129078, 144228, 150591, 152082, 200788, 216342, 243814, 258156, 301182, 304164, 365721, 432684, 451773, 487628, 602364, 731442, 853349, 903546, 1097163, 1462884, 1706698, 1807092, 2194326, 2560047, 3413396, 4388652, 5120094, 7680141, 10240188, 15360282, 30720564]

約数ペア:

[(1, 30720564), (2, 15360282), (3, 10240188), (4, 7680141), (6, 5120094), (7, 4388652), (9, 3413396), (12, 2560047), (14, 2194326), (17, 1807092), (18, 1706698), (21, 1462884), (28, 1097163), (34, 903546), (36, 853349), (42, 731442), (51, 602364), (63, 487628), (68, 451773), (71, 432684), (84, 365721), (101, 304164), (102, 301182), (119, 258156), (126, 243814), (142, 216342), (153, 200788), (202, 152082), (204, 150591), (213, 144228), (238, 129078), (252, 121907), (284, 108171), (303, 101388), (306, 100394), (357, 86052), (404, 76041), (426, 72114), (476, 64539), (497, 61812), (606, 50694), (612, 50197), (639, 48076), (707, 43452), (714, 43026), (852, 36057), (909, 33796), (994, 30906), (1071, 28684), (1207, 25452), (1212, 25347), (1278, 24038), (1414, 21726), (1428, 21513), (1491, 20604), (1717, 17892), (1818, 16898), (1988, 15453), (2121, 14484), (2142, 14342), (2414, 12726), (2556, 12019), (2828, 10863), (2982, 10302), (3434, 8946), (3621, 8484), (3636, 8449), (4242, 7242), (4284, 7171), (4473, 6868), (4828, 6363), (5151, 5964)]