30872940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{10501}}^1$

素因数の和:10527

約数の個数: 72

約数和(自身を含む): 100567152

約数和(自身を除く): 69694212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 10501, 21002, 31503, 42004, 52505, 63006, 73507, 105010, 126012, 147014, 157515, 210020, 220521, 294028, 315030, 367535, 441042, 514549, 630060, 735070, 882084, 1029098, 1102605, 1470140, 1543647, 2058196, 2205210, 2572745, 3087294, 4410420, 5145490, 6174588, 7718235, 10290980, 15436470, 30872940]

約数ペア:

[(1, 30872940), (2, 15436470), (3, 10290980), (4, 7718235), (5, 6174588), (6, 5145490), (7, 4410420), (10, 3087294), (12, 2572745), (14, 2205210), (15, 2058196), (20, 1543647), (21, 1470140), (28, 1102605), (30, 1029098), (35, 882084), (42, 735070), (49, 630060), (60, 514549), (70, 441042), (84, 367535), (98, 315030), (105, 294028), (140, 220521), (147, 210020), (196, 157515), (210, 147014), (245, 126012), (294, 105010), (420, 73507), (490, 63006), (588, 52505), (735, 42004), (980, 31503), (1470, 21002), (2940, 10501)]