28813260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2213}}^1$

素因数の和:2263

約数の個数: 96

約数和(自身を含む): 95219712

約数和(自身を除く): 66406452

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 1085, 1302, 1860, 2170, 2213, 2604, 3255, 4340, 4426, 6510, 6639, 8852, 11065, 13020, 13278, 15491, 22130, 26556, 30982, 33195, 44260, 46473, 61964, 66390, 68603, 77455, 92946, 132780, 137206, 154910, 185892, 205809, 232365, 274412, 309820, 343015, 411618, 464730, 480221, 686030, 823236, 929460, 960442, 1029045, 1372060, 1440663, 1920884, 2058090, 2401105, 2881326, 4116180, 4802210, 5762652, 7203315, 9604420, 14406630, 28813260]

約数ペア:

[(1, 28813260), (2, 14406630), (3, 9604420), (4, 7203315), (5, 5762652), (6, 4802210), (7, 4116180), (10, 2881326), (12, 2401105), (14, 2058090), (15, 1920884), (20, 1440663), (21, 1372060), (28, 1029045), (30, 960442), (31, 929460), (35, 823236), (42, 686030), (60, 480221), (62, 464730), (70, 411618), (84, 343015), (93, 309820), (105, 274412), (124, 232365), (140, 205809), (155, 185892), (186, 154910), (210, 137206), (217, 132780), (310, 92946), (372, 77455), (420, 68603), (434, 66390), (465, 61964), (620, 46473), (651, 44260), (868, 33195), (930, 30982), (1085, 26556), (1302, 22130), (1860, 15491), (2170, 13278), (2213, 13020), (2604, 11065), (3255, 8852), (4340, 6639), (4426, 6510)]