85457820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{10709}}^1$

素因数の和:10747

約数の個数: 96

約数和(自身を含む): 287884800

約数和(自身を除く): 202426980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1995, 2660, 3990, 7980, 10709, 21418, 32127, 42836, 53545, 64254, 74963, 107090, 128508, 149926, 160635, 203471, 214180, 224889, 299852, 321270, 374815, 406942, 449778, 610413, 642540, 749630, 813884, 899556, 1017355, 1124445, 1220826, 1424297, 1499260, 2034710, 2248890, 2441652, 2848594, 3052065, 4069420, 4272891, 4497780, 5697188, 6104130, 7121485, 8545782, 12208260, 14242970, 17091564, 21364455, 28485940, 42728910, 85457820]

約数ペア:

[(1, 85457820), (2, 42728910), (3, 28485940), (4, 21364455), (5, 17091564), (6, 14242970), (7, 12208260), (10, 8545782), (12, 7121485), (14, 6104130), (15, 5697188), (19, 4497780), (20, 4272891), (21, 4069420), (28, 3052065), (30, 2848594), (35, 2441652), (38, 2248890), (42, 2034710), (57, 1499260), (60, 1424297), (70, 1220826), (76, 1124445), (84, 1017355), (95, 899556), (105, 813884), (114, 749630), (133, 642540), (140, 610413), (190, 449778), (210, 406942), (228, 374815), (266, 321270), (285, 299852), (380, 224889), (399, 214180), (420, 203471), (532, 160635), (570, 149926), (665, 128508), (798, 107090), (1140, 74963), (1330, 64254), (1596, 53545), (1995, 42836), (2660, 32127), (3990, 21418), (7980, 10709)]