25306440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:263

約数の個数: 128

約数和(自身を含む): 81181440

約数和(自身を除く): 55875000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 53, 60, 69, 92, 106, 115, 120, 138, 159, 173, 184, 212, 230, 265, 276, 318, 345, 346, 424, 460, 519, 530, 552, 636, 690, 692, 795, 865, 920, 1038, 1060, 1219, 1272, 1380, 1384, 1590, 1730, 2076, 2120, 2438, 2595, 2760, 3180, 3460, 3657, 3979, 4152, 4876, 5190, 6095, 6360, 6920, 7314, 7958, 9169, 9752, 10380, 11937, 12190, 14628, 15916, 18285, 18338, 19895, 20760, 23874, 24380, 27507, 29256, 31832, 36570, 36676, 39790, 45845, 47748, 48760, 55014, 59685, 73140, 73352, 79580, 91690, 95496, 110028, 119370, 137535, 146280, 159160, 183380, 210887, 220056, 238740, 275070, 366760, 421774, 477480, 550140, 632661, 843548, 1054435, 1100280, 1265322, 1687096, 2108870, 2530644, 3163305, 4217740, 5061288, 6326610, 8435480, 12653220, 25306440]

約数ペア:

[(1, 25306440), (2, 12653220), (3, 8435480), (4, 6326610), (5, 5061288), (6, 4217740), (8, 3163305), (10, 2530644), (12, 2108870), (15, 1687096), (20, 1265322), (23, 1100280), (24, 1054435), (30, 843548), (40, 632661), (46, 550140), (53, 477480), (60, 421774), (69, 366760), (92, 275070), (106, 238740), (115, 220056), (120, 210887), (138, 183380), (159, 159160), (173, 146280), (184, 137535), (212, 119370), (230, 110028), (265, 95496), (276, 91690), (318, 79580), (345, 73352), (346, 73140), (424, 59685), (460, 55014), (519, 48760), (530, 47748), (552, 45845), (636, 39790), (690, 36676), (692, 36570), (795, 31832), (865, 29256), (920, 27507), (1038, 24380), (1060, 23874), (1219, 20760), (1272, 19895), (1380, 18338), (1384, 18285), (1590, 15916), (1730, 14628), (2076, 12190), (2120, 11937), (2438, 10380), (2595, 9752), (2760, 9169), (3180, 7958), (3460, 7314), (3657, 6920), (3979, 6360), (4152, 6095), (4876, 5190)]