28123020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6793}}^1$

素因数の和:6831

約数の個数: 72

約数和(自身を含む): 89028576

約数和(自身を除く): 60905556

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, 6793, 13586, 20379, 27172, 33965, 40758, 61137, 67930, 81516, 101895, 122274, 135860, 156239, 203790, 244548, 305685, 312478, 407580, 468717, 611370, 624956, 781195, 937434, 1222740, 1406151, 1562390, 1874868, 2343585, 2812302, 3124780, 4687170, 5624604, 7030755, 9374340, 14061510, 28123020]

約数ペア:

[(1, 28123020), (2, 14061510), (3, 9374340), (4, 7030755), (5, 5624604), (6, 4687170), (9, 3124780), (10, 2812302), (12, 2343585), (15, 1874868), (18, 1562390), (20, 1406151), (23, 1222740), (30, 937434), (36, 781195), (45, 624956), (46, 611370), (60, 468717), (69, 407580), (90, 312478), (92, 305685), (115, 244548), (138, 203790), (180, 156239), (207, 135860), (230, 122274), (276, 101895), (345, 81516), (414, 67930), (460, 61137), (690, 40758), (828, 33965), (1035, 27172), (1380, 20379), (2070, 13586), (4140, 6793)]