80210520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 256

約数和(自身を含む): 299376000

約数和(自身を除く): 219165480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 29, 30, 36, 39, 40, 45, 52, 54, 58, 60, 65, 72, 78, 87, 90, 104, 108, 116, 117, 120, 130, 135, 145, 156, 174, 180, 195, 197, 216, 232, 234, 260, 261, 270, 290, 312, 348, 351, 360, 377, 390, 394, 435, 468, 520, 522, 540, 580, 585, 591, 696, 702, 754, 780, 783, 788, 870, 936, 985, 1044, 1080, 1131, 1160, 1170, 1182, 1305, 1404, 1508, 1560, 1566, 1576, 1740, 1755, 1773, 1885, 1970, 2088, 2262, 2340, 2364, 2561, 2610, 2808, 2955, 3016, 3132, 3393, 3480, 3510, 3546, 3770, 3915, 3940, 4524, 4680, 4728, 5122, 5220, 5319, 5655, 5713, 5910, 6264, 6786, 7020, 7092, 7540, 7683, 7830, 7880, 8865, 9048, 10179, 10244, 10440, 10638, 11310, 11426, 11820, 12805, 13572, 14040, 14184, 15080, 15366, 15660, 16965, 17139, 17730, 20358, 20488, 21276, 22620, 22852, 23049, 23640, 25610, 26595, 27144, 28565, 30732, 31320, 33930, 34278, 35460, 38415, 40716, 42552, 45240, 45704, 46098, 50895, 51220, 51417, 53190, 57130, 61464, 67860, 68556, 69147, 70920, 74269, 76830, 81432, 85695, 92196, 101790, 102440, 102834, 106380, 114260, 115245, 135720, 137112, 138294, 148538, 153660, 154251, 171390, 184392, 203580, 205668, 212760, 222807, 228520, 230490, 257085, 276588, 297076, 307320, 308502, 342780, 345735, 371345, 407160, 411336, 445614, 460980, 514170, 553176, 594152, 617004, 668421, 685560, 691470, 742690, 771255, 891228, 921960, 1028340, 1114035, 1234008, 1336842, 1382940, 1485380, 1542510, 1782456, 2005263, 2056680, 2228070, 2673684, 2765880, 2970760, 3085020, 3342105, 4010526, 4456140, 5347368, 6170040, 6684210, 8021052, 8912280, 10026315, 13368420, 16042104, 20052630, 26736840, 40105260, 80210520]

約数ペア:

[(1, 80210520), (2, 40105260), (3, 26736840), (4, 20052630), (5, 16042104), (6, 13368420), (8, 10026315), (9, 8912280), (10, 8021052), (12, 6684210), (13, 6170040), (15, 5347368), (18, 4456140), (20, 4010526), (24, 3342105), (26, 3085020), (27, 2970760), (29, 2765880), (30, 2673684), (36, 2228070), (39, 2056680), (40, 2005263), (45, 1782456), (52, 1542510), (54, 1485380), (58, 1382940), (60, 1336842), (65, 1234008), (72, 1114035), (78, 1028340), (87, 921960), (90, 891228), (104, 771255), (108, 742690), (116, 691470), (117, 685560), (120, 668421), (130, 617004), (135, 594152), (145, 553176), (156, 514170), (174, 460980), (180, 445614), (195, 411336), (197, 407160), (216, 371345), (232, 345735), (234, 342780), (260, 308502), (261, 307320), (270, 297076), (290, 276588), (312, 257085), (348, 230490), (351, 228520), (360, 222807), (377, 212760), (390, 205668), (394, 203580), (435, 184392), (468, 171390), (520, 154251), (522, 153660), (540, 148538), (580, 138294), (585, 137112), (591, 135720), (696, 115245), (702, 114260), (754, 106380), (780, 102834), (783, 102440), (788, 101790), (870, 92196), (936, 85695), (985, 81432), (1044, 76830), (1080, 74269), (1131, 70920), (1160, 69147), (1170, 68556), (1182, 67860), (1305, 61464), (1404, 57130), (1508, 53190), (1560, 51417), (1566, 51220), (1576, 50895), (1740, 46098), (1755, 45704), (1773, 45240), (1885, 42552), (1970, 40716), (2088, 38415), (2262, 35460), (2340, 34278), (2364, 33930), (2561, 31320), (2610, 30732), (2808, 28565), (2955, 27144), (3016, 26595), (3132, 25610), (3393, 23640), (3480, 23049), (3510, 22852), (3546, 22620), (3770, 21276), (3915, 20488), (3940, 20358), (4524, 17730), (4680, 17139), (4728, 16965), (5122, 15660), (5220, 15366), (5319, 15080), (5655, 14184), (5713, 14040), (5910, 13572), (6264, 12805), (6786, 11820), (7020, 11426), (7092, 11310), (7540, 10638), (7683, 10440), (7830, 10244), (7880, 10179), (8865, 9048)]