820569960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{108541}}^1$

素因数の和:108568

約数の個数: 128

約数和(自身を含む): 3126009600

約数和(自身を除く): 2305439640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 108541, 217082, 325623, 434164, 542705, 651246, 759787, 868328, 976869, 1085410, 1302492, 1519574, 1628115, 1953738, 2170820, 2279361, 2604984, 2930607, 3039148, 3256230, 3798935, 3907476, 4341640, 4558722, 4884345, 5861214, 6078296, 6512460, 6838083, 7597870, 7814952, 9117444, 9768690, 11396805, 11722428, 13024920, 13676166, 14653035, 15195740, 18234888, 19537380, 20514249, 22793610, 23444856, 27352332, 29306070, 30391480, 34190415, 39074760, 41028498, 45587220, 54704664, 58612140, 68380830, 82056996, 91174440, 102571245, 117224280, 136761660, 164113992, 205142490, 273523320, 410284980, 820569960]

約数ペア:

[(1, 820569960), (2, 410284980), (3, 273523320), (4, 205142490), (5, 164113992), (6, 136761660), (7, 117224280), (8, 102571245), (9, 91174440), (10, 82056996), (12, 68380830), (14, 58612140), (15, 54704664), (18, 45587220), (20, 41028498), (21, 39074760), (24, 34190415), (27, 30391480), (28, 29306070), (30, 27352332), (35, 23444856), (36, 22793610), (40, 20514249), (42, 19537380), (45, 18234888), (54, 15195740), (56, 14653035), (60, 13676166), (63, 13024920), (70, 11722428), (72, 11396805), (84, 9768690), (90, 9117444), (105, 7814952), (108, 7597870), (120, 6838083), (126, 6512460), (135, 6078296), (140, 5861214), (168, 4884345), (180, 4558722), (189, 4341640), (210, 3907476), (216, 3798935), (252, 3256230), (270, 3039148), (280, 2930607), (315, 2604984), (360, 2279361), (378, 2170820), (420, 1953738), (504, 1628115), (540, 1519574), (630, 1302492), (756, 1085410), (840, 976869), (945, 868328), (1080, 759787), (1260, 651246), (1512, 542705), (1890, 434164), (2520, 325623), (3780, 217082), (7560, 108541)]