28520460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^2$

素因数の和:204

約数の個数: 108

約数和(自身を含む): 91374192

約数和(自身を除く): 62853732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 83, 90, 92, 115, 138, 166, 180, 207, 230, 249, 276, 332, 345, 414, 415, 460, 498, 690, 747, 828, 830, 996, 1035, 1245, 1380, 1494, 1660, 1909, 2070, 2490, 2988, 3735, 3818, 4140, 4980, 5727, 6889, 7470, 7636, 9545, 11454, 13778, 14940, 17181, 19090, 20667, 22908, 27556, 28635, 34362, 34445, 38180, 41334, 57270, 62001, 68724, 68890, 82668, 85905, 103335, 114540, 124002, 137780, 158447, 171810, 206670, 248004, 310005, 316894, 343620, 413340, 475341, 620010, 633788, 792235, 950682, 1240020, 1426023, 1584470, 1901364, 2376705, 2852046, 3168940, 4753410, 5704092, 7130115, 9506820, 14260230, 28520460]

約数ペア:

[(1, 28520460), (2, 14260230), (3, 9506820), (4, 7130115), (5, 5704092), (6, 4753410), (9, 3168940), (10, 2852046), (12, 2376705), (15, 1901364), (18, 1584470), (20, 1426023), (23, 1240020), (30, 950682), (36, 792235), (45, 633788), (46, 620010), (60, 475341), (69, 413340), (83, 343620), (90, 316894), (92, 310005), (115, 248004), (138, 206670), (166, 171810), (180, 158447), (207, 137780), (230, 124002), (249, 114540), (276, 103335), (332, 85905), (345, 82668), (414, 68890), (415, 68724), (460, 62001), (498, 57270), (690, 41334), (747, 38180), (828, 34445), (830, 34362), (996, 28635), (1035, 27556), (1245, 22908), (1380, 20667), (1494, 19090), (1660, 17181), (1909, 14940), (2070, 13778), (2490, 11454), (2988, 9545), (3735, 7636), (3818, 7470), (4140, 6889), (4980, 5727)]