820815660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{463}}^1$

素因数の和:562

約数の個数: 288

約数和(自身を含む): 3021419520

約数和(自身を除く): 2200603860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 67, 70, 84, 90, 98, 105, 108, 126, 134, 135, 140, 147, 180, 189, 196, 201, 210, 245, 252, 268, 270, 294, 315, 335, 378, 402, 420, 441, 463, 469, 490, 540, 588, 603, 630, 670, 735, 756, 804, 882, 926, 938, 945, 980, 1005, 1206, 1260, 1323, 1340, 1389, 1407, 1470, 1764, 1809, 1852, 1876, 1890, 2010, 2205, 2315, 2345, 2412, 2646, 2778, 2814, 2940, 3015, 3241, 3283, 3618, 3780, 4020, 4167, 4221, 4410, 4630, 4690, 5292, 5556, 5628, 6030, 6482, 6566, 6615, 6945, 7035, 7236, 8334, 8442, 8820, 9045, 9260, 9380, 9723, 9849, 12060, 12501, 12663, 12964, 13132, 13230, 13890, 14070, 16205, 16415, 16668, 16884, 18090, 19446, 19698, 20835, 21105, 22687, 25002, 25326, 26460, 27780, 28140, 29169, 29547, 31021, 32410, 32830, 36180, 38892, 39396, 41670, 42210, 45374, 48615, 49245, 50004, 50652, 58338, 59094, 62042, 62505, 63315, 64820, 65660, 68061, 83340, 84420, 87507, 88641, 90748, 93063, 97230, 98490, 113435, 116676, 118188, 124084, 125010, 126630, 136122, 145845, 147735, 155105, 175014, 177282, 186126, 194460, 196980, 204183, 217147, 226870, 250020, 253260, 272244, 279189, 291690, 295470, 310210, 340305, 350028, 354564, 372252, 408366, 434294, 437535, 443205, 453740, 465315, 558378, 583380, 590940, 612549, 620420, 651441, 680610, 816732, 837567, 868588, 875070, 886410, 930630, 1020915, 1085735, 1116756, 1225098, 1302882, 1361220, 1395945, 1520029, 1675134, 1750140, 1772820, 1861260, 1954323, 2041830, 2171470, 2450196, 2605764, 2791890, 3040058, 3062745, 3257205, 3350268, 3908646, 4083660, 4187835, 4342940, 4560087, 5583780, 5862969, 6080116, 6125490, 6514410, 7600145, 7817292, 8375670, 9120174, 9771615, 11725938, 12250980, 13028820, 13680261, 15200290, 16751340, 18240348, 19543230, 22800435, 23451876, 27360522, 29314845, 30400580, 39086460, 41040783, 45600870, 54721044, 58629690, 68401305, 82081566, 91201740, 117259380, 136802610, 164163132, 205203915, 273605220, 410407830, 820815660]

約数ペア:

[(1, 820815660), (2, 410407830), (3, 273605220), (4, 205203915), (5, 164163132), (6, 136802610), (7, 117259380), (9, 91201740), (10, 82081566), (12, 68401305), (14, 58629690), (15, 54721044), (18, 45600870), (20, 41040783), (21, 39086460), (27, 30400580), (28, 29314845), (30, 27360522), (35, 23451876), (36, 22800435), (42, 19543230), (45, 18240348), (49, 16751340), (54, 15200290), (60, 13680261), (63, 13028820), (67, 12250980), (70, 11725938), (84, 9771615), (90, 9120174), (98, 8375670), (105, 7817292), (108, 7600145), (126, 6514410), (134, 6125490), (135, 6080116), (140, 5862969), (147, 5583780), (180, 4560087), (189, 4342940), (196, 4187835), (201, 4083660), (210, 3908646), (245, 3350268), (252, 3257205), (268, 3062745), (270, 3040058), (294, 2791890), (315, 2605764), (335, 2450196), (378, 2171470), (402, 2041830), (420, 1954323), (441, 1861260), (463, 1772820), (469, 1750140), (490, 1675134), (540, 1520029), (588, 1395945), (603, 1361220), (630, 1302882), (670, 1225098), (735, 1116756), (756, 1085735), (804, 1020915), (882, 930630), (926, 886410), (938, 875070), (945, 868588), (980, 837567), (1005, 816732), (1206, 680610), (1260, 651441), (1323, 620420), (1340, 612549), (1389, 590940), (1407, 583380), (1470, 558378), (1764, 465315), (1809, 453740), (1852, 443205), (1876, 437535), (1890, 434294), (2010, 408366), (2205, 372252), (2315, 354564), (2345, 350028), (2412, 340305), (2646, 310210), (2778, 295470), (2814, 291690), (2940, 279189), (3015, 272244), (3241, 253260), (3283, 250020), (3618, 226870), (3780, 217147), (4020, 204183), (4167, 196980), (4221, 194460), (4410, 186126), (4630, 177282), (4690, 175014), (5292, 155105), (5556, 147735), (5628, 145845), (6030, 136122), (6482, 126630), (6566, 125010), (6615, 124084), (6945, 118188), (7035, 116676), (7236, 113435), (8334, 98490), (8442, 97230), (8820, 93063), (9045, 90748), (9260, 88641), (9380, 87507), (9723, 84420), (9849, 83340), (12060, 68061), (12501, 65660), (12663, 64820), (12964, 63315), (13132, 62505), (13230, 62042), (13890, 59094), (14070, 58338), (16205, 50652), (16415, 50004), (16668, 49245), (16884, 48615), (18090, 45374), (19446, 42210), (19698, 41670), (20835, 39396), (21105, 38892), (22687, 36180), (25002, 32830), (25326, 32410), (26460, 31021), (27780, 29547), (28140, 29169)]