258397020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:569

約数の個数: 192

約数和(自身を含む): 926069760

約数和(自身を除く): 667672740

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, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 197, 210, 252, 270, 315, 347, 378, 394, 420, 540, 591, 630, 694, 756, 788, 945, 985, 1041, 1182, 1260, 1379, 1388, 1735, 1773, 1890, 1970, 2082, 2364, 2429, 2758, 2955, 3123, 3470, 3546, 3780, 3940, 4137, 4164, 4858, 5205, 5319, 5516, 5910, 6246, 6895, 6940, 7092, 7287, 8274, 8865, 9369, 9716, 10410, 10638, 11820, 12145, 12411, 12492, 13790, 14574, 15615, 16548, 17730, 18738, 20685, 20820, 21276, 21861, 24290, 24822, 26595, 27580, 29148, 31230, 35460, 36435, 37233, 37476, 41370, 43722, 46845, 48580, 49644, 53190, 62055, 62460, 65583, 68359, 72870, 74466, 82740, 87444, 93690, 106380, 109305, 124110, 131166, 136718, 145740, 148932, 186165, 187380, 205077, 218610, 248220, 262332, 273436, 327915, 341795, 372330, 410154, 437220, 478513, 615231, 655830, 683590, 744660, 820308, 957026, 1025385, 1230462, 1311660, 1367180, 1435539, 1845693, 1914052, 2050770, 2392565, 2460924, 2871078, 3076155, 3691386, 4101540, 4306617, 4785130, 5742156, 6152310, 7177695, 7382772, 8613234, 9228465, 9570260, 12304620, 12919851, 14355390, 17226468, 18456930, 21533085, 25839702, 28710780, 36913860, 43066170, 51679404, 64599255, 86132340, 129198510, 258397020]

約数ペア:

[(1, 258397020), (2, 129198510), (3, 86132340), (4, 64599255), (5, 51679404), (6, 43066170), (7, 36913860), (9, 28710780), (10, 25839702), (12, 21533085), (14, 18456930), (15, 17226468), (18, 14355390), (20, 12919851), (21, 12304620), (27, 9570260), (28, 9228465), (30, 8613234), (35, 7382772), (36, 7177695), (42, 6152310), (45, 5742156), (54, 4785130), (60, 4306617), (63, 4101540), (70, 3691386), (84, 3076155), (90, 2871078), (105, 2460924), (108, 2392565), (126, 2050770), (135, 1914052), (140, 1845693), (180, 1435539), (189, 1367180), (197, 1311660), (210, 1230462), (252, 1025385), (270, 957026), (315, 820308), (347, 744660), (378, 683590), (394, 655830), (420, 615231), (540, 478513), (591, 437220), (630, 410154), (694, 372330), (756, 341795), (788, 327915), (945, 273436), (985, 262332), (1041, 248220), (1182, 218610), (1260, 205077), (1379, 187380), (1388, 186165), (1735, 148932), (1773, 145740), (1890, 136718), (1970, 131166), (2082, 124110), (2364, 109305), (2429, 106380), (2758, 93690), (2955, 87444), (3123, 82740), (3470, 74466), (3546, 72870), (3780, 68359), (3940, 65583), (4137, 62460), (4164, 62055), (4858, 53190), (5205, 49644), (5319, 48580), (5516, 46845), (5910, 43722), (6246, 41370), (6895, 37476), (6940, 37233), (7092, 36435), (7287, 35460), (8274, 31230), (8865, 29148), (9369, 27580), (9716, 26595), (10410, 24822), (10638, 24290), (11820, 21861), (12145, 21276), (12411, 20820), (12492, 20685), (13790, 18738), (14574, 17730), (15615, 16548)]