215881800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1$

素因数の和:720

約数の個数: 192

約数和(自身を含む): 729864000

約数和(自身を除く): 513982200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 29, 30, 38, 40, 50, 57, 58, 60, 75, 76, 87, 95, 100, 114, 116, 120, 145, 150, 152, 174, 190, 200, 228, 232, 285, 290, 300, 348, 380, 435, 456, 475, 551, 570, 580, 600, 653, 696, 725, 760, 870, 950, 1102, 1140, 1160, 1306, 1425, 1450, 1653, 1740, 1900, 1959, 2175, 2204, 2280, 2612, 2755, 2850, 2900, 3265, 3306, 3480, 3800, 3918, 4350, 4408, 5224, 5510, 5700, 5800, 6530, 6612, 7836, 8265, 8700, 9795, 11020, 11400, 12407, 13060, 13224, 13775, 15672, 16325, 16530, 17400, 18937, 19590, 22040, 24814, 26120, 27550, 32650, 33060, 37221, 37874, 39180, 41325, 48975, 49628, 55100, 56811, 62035, 65300, 66120, 74442, 75748, 78360, 82650, 94685, 97950, 99256, 110200, 113622, 124070, 130600, 148884, 151496, 165300, 186105, 189370, 195900, 227244, 248140, 284055, 297768, 310175, 330600, 359803, 372210, 378740, 391800, 454488, 473425, 496280, 568110, 620350, 719606, 744420, 757480, 930525, 946850, 1079409, 1136220, 1240700, 1420275, 1439212, 1488840, 1799015, 1861050, 1893700, 2158818, 2272440, 2481400, 2840550, 2878424, 3598030, 3722100, 3787400, 4317636, 5397045, 5681100, 7196060, 7444200, 8635272, 8995075, 10794090, 11362200, 14392120, 17990150, 21588180, 26985225, 35980300, 43176360, 53970450, 71960600, 107940900, 215881800]

約数ペア:

[(1, 215881800), (2, 107940900), (3, 71960600), (4, 53970450), (5, 43176360), (6, 35980300), (8, 26985225), (10, 21588180), (12, 17990150), (15, 14392120), (19, 11362200), (20, 10794090), (24, 8995075), (25, 8635272), (29, 7444200), (30, 7196060), (38, 5681100), (40, 5397045), (50, 4317636), (57, 3787400), (58, 3722100), (60, 3598030), (75, 2878424), (76, 2840550), (87, 2481400), (95, 2272440), (100, 2158818), (114, 1893700), (116, 1861050), (120, 1799015), (145, 1488840), (150, 1439212), (152, 1420275), (174, 1240700), (190, 1136220), (200, 1079409), (228, 946850), (232, 930525), (285, 757480), (290, 744420), (300, 719606), (348, 620350), (380, 568110), (435, 496280), (456, 473425), (475, 454488), (551, 391800), (570, 378740), (580, 372210), (600, 359803), (653, 330600), (696, 310175), (725, 297768), (760, 284055), (870, 248140), (950, 227244), (1102, 195900), (1140, 189370), (1160, 186105), (1306, 165300), (1425, 151496), (1450, 148884), (1653, 130600), (1740, 124070), (1900, 113622), (1959, 110200), (2175, 99256), (2204, 97950), (2280, 94685), (2612, 82650), (2755, 78360), (2850, 75748), (2900, 74442), (3265, 66120), (3306, 65300), (3480, 62035), (3800, 56811), (3918, 55100), (4350, 49628), (4408, 48975), (5224, 41325), (5510, 39180), (5700, 37874), (5800, 37221), (6530, 33060), (6612, 32650), (7836, 27550), (8265, 26120), (8700, 24814), (9795, 22040), (11020, 19590), (11400, 18937), (12407, 17400), (13060, 16530), (13224, 16325), (13775, 15672)]