265985580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{659}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 880830720

約数和(自身を除く): 614845140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 659, 868, 930, 961, 1085, 1302, 1318, 1860, 1922, 1977, 2170, 2604, 2636, 2883, 3255, 3295, 3844, 3954, 4340, 4613, 4805, 5766, 6510, 6590, 6727, 7908, 9226, 9610, 9885, 11532, 13020, 13180, 13454, 13839, 14415, 18452, 19220, 19770, 20181, 20429, 23065, 26908, 27678, 28830, 33635, 39540, 40362, 40858, 46130, 55356, 57660, 61287, 67270, 69195, 80724, 81716, 92260, 100905, 102145, 122574, 134540, 138390, 143003, 201810, 204290, 245148, 276780, 286006, 306435, 403620, 408580, 429009, 572012, 612870, 633299, 715015, 858018, 1225740, 1266598, 1430030, 1716036, 1899897, 2145045, 2533196, 2860060, 3166495, 3799794, 4290090, 4433093, 6332990, 7599588, 8580180, 8866186, 9499485, 12665980, 13299279, 17732372, 18998970, 22165465, 26598558, 37997940, 44330930, 53197116, 66496395, 88661860, 132992790, 265985580]

約数ペア:

[(1, 265985580), (2, 132992790), (3, 88661860), (4, 66496395), (5, 53197116), (6, 44330930), (7, 37997940), (10, 26598558), (12, 22165465), (14, 18998970), (15, 17732372), (20, 13299279), (21, 12665980), (28, 9499485), (30, 8866186), (31, 8580180), (35, 7599588), (42, 6332990), (60, 4433093), (62, 4290090), (70, 3799794), (84, 3166495), (93, 2860060), (105, 2533196), (124, 2145045), (140, 1899897), (155, 1716036), (186, 1430030), (210, 1266598), (217, 1225740), (310, 858018), (372, 715015), (420, 633299), (434, 612870), (465, 572012), (620, 429009), (651, 408580), (659, 403620), (868, 306435), (930, 286006), (961, 276780), (1085, 245148), (1302, 204290), (1318, 201810), (1860, 143003), (1922, 138390), (1977, 134540), (2170, 122574), (2604, 102145), (2636, 100905), (2883, 92260), (3255, 81716), (3295, 80724), (3844, 69195), (3954, 67270), (4340, 61287), (4613, 57660), (4805, 55356), (5766, 46130), (6510, 40858), (6590, 40362), (6727, 39540), (7908, 33635), (9226, 28830), (9610, 27678), (9885, 26908), (11532, 23065), (13020, 20429), (13180, 20181), (13454, 19770), (13839, 19220), (14415, 18452)]