251123040

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{3559}}^1$

素因数の和:3594

約数の個数: 216

約数和(自身を含む): 997148880

約数和(自身を除く): 746025840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3559, 3920, 4410, 4704, 5040, 5880, 7056, 7118, 7840, 8820, 10080, 10677, 11760, 14112, 14236, 17640, 17795, 21354, 23520, 24913, 28472, 32031, 35280, 35590, 42708, 49826, 53385, 56944, 64062, 70560, 71180, 74739, 85416, 99652, 106770, 113888, 124565, 128124, 142360, 149478, 160155, 170832, 174391, 199304, 213540, 224217, 249130, 256248, 284720, 298956, 320310, 341664, 348782, 373695, 398608, 427080, 448434, 498260, 512496, 523173, 569440, 597912, 640620, 697564, 747390, 797216, 854160, 871955, 896868, 996520, 1024992, 1046346, 1121085, 1195824, 1281240, 1395128, 1494780, 1569519, 1708320, 1743910, 1793736, 1993040, 2092692, 2242170, 2391648, 2562480, 2615865, 2790256, 2989560, 3139038, 3487820, 3587472, 3986080, 4185384, 4484340, 5124960, 5231730, 5580512, 5979120, 6278076, 6975640, 7174944, 7847595, 8370768, 8968680, 10463460, 11958240, 12556152, 13951280, 15695190, 16741536, 17937360, 20926920, 25112304, 27902560, 31390380, 35874720, 41853840, 50224608, 62780760, 83707680, 125561520, 251123040]

約数ペア:

[(1, 251123040), (2, 125561520), (3, 83707680), (4, 62780760), (5, 50224608), (6, 41853840), (7, 35874720), (8, 31390380), (9, 27902560), (10, 25112304), (12, 20926920), (14, 17937360), (15, 16741536), (16, 15695190), (18, 13951280), (20, 12556152), (21, 11958240), (24, 10463460), (28, 8968680), (30, 8370768), (32, 7847595), (35, 7174944), (36, 6975640), (40, 6278076), (42, 5979120), (45, 5580512), (48, 5231730), (49, 5124960), (56, 4484340), (60, 4185384), (63, 3986080), (70, 3587472), (72, 3487820), (80, 3139038), (84, 2989560), (90, 2790256), (96, 2615865), (98, 2562480), (105, 2391648), (112, 2242170), (120, 2092692), (126, 1993040), (140, 1793736), (144, 1743910), (147, 1708320), (160, 1569519), (168, 1494780), (180, 1395128), (196, 1281240), (210, 1195824), (224, 1121085), (240, 1046346), (245, 1024992), (252, 996520), (280, 896868), (288, 871955), (294, 854160), (315, 797216), (336, 747390), (360, 697564), (392, 640620), (420, 597912), (441, 569440), (480, 523173), (490, 512496), (504, 498260), (560, 448434), (588, 427080), (630, 398608), (672, 373695), (720, 348782), (735, 341664), (784, 320310), (840, 298956), (882, 284720), (980, 256248), (1008, 249130), (1120, 224217), (1176, 213540), (1260, 199304), (1440, 174391), (1470, 170832), (1568, 160155), (1680, 149478), (1764, 142360), (1960, 128124), (2016, 124565), (2205, 113888), (2352, 106770), (2520, 99652), (2940, 85416), (3360, 74739), (3528, 71180), (3559, 70560), (3920, 64062), (4410, 56944), (4704, 53385), (5040, 49826), (5880, 42708), (7056, 35590), (7118, 35280), (7840, 32031), (8820, 28472), (10080, 24913), (10677, 23520), (11760, 21354), (14112, 17795), (14236, 17640)]