78240900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 239984640

約数和(自身を除く): 161743740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 31, 47, 50, 60, 62, 75, 93, 94, 100, 124, 141, 150, 155, 179, 186, 188, 235, 282, 300, 310, 358, 372, 465, 470, 537, 564, 620, 705, 716, 775, 895, 930, 940, 1074, 1175, 1410, 1457, 1550, 1790, 1860, 2148, 2325, 2350, 2685, 2820, 2914, 3100, 3525, 3580, 4371, 4475, 4650, 4700, 5370, 5549, 5828, 7050, 7285, 8413, 8742, 8950, 9300, 10740, 11098, 13425, 14100, 14570, 16647, 16826, 17484, 17900, 21855, 22196, 25239, 26850, 27745, 29140, 33294, 33652, 36425, 42065, 43710, 50478, 53700, 55490, 66588, 72850, 83235, 84130, 87420, 100956, 109275, 110980, 126195, 138725, 145700, 166470, 168260, 210325, 218550, 252390, 260803, 277450, 332940, 416175, 420650, 437100, 504780, 521606, 554900, 630975, 782409, 832350, 841300, 1043212, 1261950, 1304015, 1564818, 1664700, 2523900, 2608030, 3129636, 3912045, 5216060, 6520075, 7824090, 13040150, 15648180, 19560225, 26080300, 39120450, 78240900]

約数ペア:

[(1, 78240900), (2, 39120450), (3, 26080300), (4, 19560225), (5, 15648180), (6, 13040150), (10, 7824090), (12, 6520075), (15, 5216060), (20, 3912045), (25, 3129636), (30, 2608030), (31, 2523900), (47, 1664700), (50, 1564818), (60, 1304015), (62, 1261950), (75, 1043212), (93, 841300), (94, 832350), (100, 782409), (124, 630975), (141, 554900), (150, 521606), (155, 504780), (179, 437100), (186, 420650), (188, 416175), (235, 332940), (282, 277450), (300, 260803), (310, 252390), (358, 218550), (372, 210325), (465, 168260), (470, 166470), (537, 145700), (564, 138725), (620, 126195), (705, 110980), (716, 109275), (775, 100956), (895, 87420), (930, 84130), (940, 83235), (1074, 72850), (1175, 66588), (1410, 55490), (1457, 53700), (1550, 50478), (1790, 43710), (1860, 42065), (2148, 36425), (2325, 33652), (2350, 33294), (2685, 29140), (2820, 27745), (2914, 26850), (3100, 25239), (3525, 22196), (3580, 21855), (4371, 17900), (4475, 17484), (4650, 16826), (4700, 16647), (5370, 14570), (5549, 14100), (5828, 13425), (7050, 11098), (7285, 10740), (8413, 9300), (8742, 8950)]