28878360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1161

約数の個数: 128

約数和(自身を含む): 102297600

約数和(自身を除く): 73419240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1109, 1240, 1302, 1736, 1860, 2170, 2218, 2604, 3255, 3327, 3720, 4340, 4436, 5208, 5545, 6510, 6654, 7763, 8680, 8872, 11090, 13020, 13308, 15526, 16635, 22180, 23289, 26040, 26616, 31052, 33270, 34379, 38815, 44360, 46578, 62104, 66540, 68758, 77630, 93156, 103137, 116445, 133080, 137516, 155260, 171895, 186312, 206274, 232890, 240653, 275032, 310520, 343790, 412548, 465780, 481306, 515685, 687580, 721959, 825096, 931560, 962612, 1031370, 1203265, 1375160, 1443918, 1925224, 2062740, 2406530, 2887836, 3609795, 4125480, 4813060, 5775672, 7219590, 9626120, 14439180, 28878360]

約数ペア:

[(1, 28878360), (2, 14439180), (3, 9626120), (4, 7219590), (5, 5775672), (6, 4813060), (7, 4125480), (8, 3609795), (10, 2887836), (12, 2406530), (14, 2062740), (15, 1925224), (20, 1443918), (21, 1375160), (24, 1203265), (28, 1031370), (30, 962612), (31, 931560), (35, 825096), (40, 721959), (42, 687580), (56, 515685), (60, 481306), (62, 465780), (70, 412548), (84, 343790), (93, 310520), (105, 275032), (120, 240653), (124, 232890), (140, 206274), (155, 186312), (168, 171895), (186, 155260), (210, 137516), (217, 133080), (248, 116445), (280, 103137), (310, 93156), (372, 77630), (420, 68758), (434, 66540), (465, 62104), (620, 46578), (651, 44360), (744, 38815), (840, 34379), (868, 33270), (930, 31052), (1085, 26616), (1109, 26040), (1240, 23289), (1302, 22180), (1736, 16635), (1860, 15526), (2170, 13308), (2218, 13020), (2604, 11090), (3255, 8872), (3327, 8680), (3720, 7763), (4340, 6654), (4436, 6510), (5208, 5545)]