180988380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43717}}^1$

素因数の和:43755

約数の個数: 72

約数和(自身を含む): 572880672

約数和(自身を除く): 391892292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 43717, 87434, 131151, 174868, 218585, 262302, 393453, 437170, 524604, 655755, 786906, 874340, 1005491, 1311510, 1573812, 1967265, 2010982, 2623020, 3016473, 3934530, 4021964, 5027455, 6032946, 7869060, 9049419, 10054910, 12065892, 15082365, 18098838, 20109820, 30164730, 36197676, 45247095, 60329460, 90494190, 180988380]

約数ペア:

[(1, 180988380), (2, 90494190), (3, 60329460), (4, 45247095), (5, 36197676), (6, 30164730), (9, 20109820), (10, 18098838), (12, 15082365), (15, 12065892), (18, 10054910), (20, 9049419), (23, 7869060), (30, 6032946), (36, 5027455), (45, 4021964), (46, 3934530), (60, 3016473), (69, 2623020), (90, 2010982), (92, 1967265), (115, 1573812), (138, 1311510), (180, 1005491), (207, 874340), (230, 786906), (276, 655755), (345, 524604), (414, 437170), (460, 393453), (690, 262302), (828, 218585), (1035, 174868), (1380, 131151), (2070, 87434), (4140, 43717)]