81570300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:241

約数の個数: 216

約数和(自身を含む): 284981760

約数和(自身を除く): 203411460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 49, 50, 60, 62, 70, 75, 84, 93, 98, 100, 105, 124, 140, 147, 150, 155, 175, 179, 186, 196, 210, 217, 245, 294, 300, 310, 350, 358, 372, 420, 434, 465, 490, 525, 537, 588, 620, 651, 700, 716, 735, 775, 868, 895, 930, 980, 1050, 1074, 1085, 1225, 1253, 1302, 1470, 1519, 1550, 1790, 1860, 2100, 2148, 2170, 2325, 2450, 2506, 2604, 2685, 2940, 3038, 3100, 3255, 3580, 3675, 3759, 4340, 4475, 4557, 4650, 4900, 5012, 5370, 5425, 5549, 6076, 6265, 6510, 7350, 7518, 7595, 8771, 8950, 9114, 9300, 10740, 10850, 11098, 12530, 13020, 13425, 14700, 15036, 15190, 16275, 16647, 17542, 17900, 18228, 18795, 21700, 22196, 22785, 25060, 26313, 26850, 27745, 30380, 31325, 32550, 33294, 35084, 37590, 37975, 38843, 43855, 45570, 52626, 53700, 55490, 62650, 65100, 66588, 75180, 75950, 77686, 83235, 87710, 91140, 93975, 105252, 110980, 113925, 116529, 125300, 131565, 138725, 151900, 155372, 166470, 175420, 187950, 194215, 219275, 227850, 233058, 263130, 271901, 277450, 332940, 375900, 388430, 416175, 438550, 455700, 466116, 526260, 543802, 554900, 582645, 657825, 776860, 815703, 832350, 877100, 971075, 1087604, 1165290, 1315650, 1359505, 1631406, 1664700, 1942150, 2330580, 2631300, 2719010, 2913225, 3262812, 3884300, 4078515, 5438020, 5826450, 6797525, 8157030, 11652900, 13595050, 16314060, 20392575, 27190100, 40785150, 81570300]

約数ペア:

[(1, 81570300), (2, 40785150), (3, 27190100), (4, 20392575), (5, 16314060), (6, 13595050), (7, 11652900), (10, 8157030), (12, 6797525), (14, 5826450), (15, 5438020), (20, 4078515), (21, 3884300), (25, 3262812), (28, 2913225), (30, 2719010), (31, 2631300), (35, 2330580), (42, 1942150), (49, 1664700), (50, 1631406), (60, 1359505), (62, 1315650), (70, 1165290), (75, 1087604), (84, 971075), (93, 877100), (98, 832350), (100, 815703), (105, 776860), (124, 657825), (140, 582645), (147, 554900), (150, 543802), (155, 526260), (175, 466116), (179, 455700), (186, 438550), (196, 416175), (210, 388430), (217, 375900), (245, 332940), (294, 277450), (300, 271901), (310, 263130), (350, 233058), (358, 227850), (372, 219275), (420, 194215), (434, 187950), (465, 175420), (490, 166470), (525, 155372), (537, 151900), (588, 138725), (620, 131565), (651, 125300), (700, 116529), (716, 113925), (735, 110980), (775, 105252), (868, 93975), (895, 91140), (930, 87710), (980, 83235), (1050, 77686), (1074, 75950), (1085, 75180), (1225, 66588), (1253, 65100), (1302, 62650), (1470, 55490), (1519, 53700), (1550, 52626), (1790, 45570), (1860, 43855), (2100, 38843), (2148, 37975), (2170, 37590), (2325, 35084), (2450, 33294), (2506, 32550), (2604, 31325), (2685, 30380), (2940, 27745), (3038, 26850), (3100, 26313), (3255, 25060), (3580, 22785), (3675, 22196), (3759, 21700), (4340, 18795), (4475, 18228), (4557, 17900), (4650, 17542), (4900, 16647), (5012, 16275), (5370, 15190), (5425, 15036), (5549, 14700), (6076, 13425), (6265, 13020), (6510, 12530), (7350, 11098), (7518, 10850), (7595, 10740), (8771, 9300), (8950, 9114)]