78547950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1$

素因数の和:523

約数の個数: 144

約数和(自身を含む): 235609920

約数和(自身を除く): 157061970

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 29, 30, 39, 45, 50, 58, 65, 75, 78, 87, 90, 117, 130, 145, 150, 174, 195, 225, 234, 261, 290, 325, 377, 390, 435, 450, 463, 522, 585, 650, 725, 754, 870, 926, 975, 1131, 1170, 1305, 1389, 1450, 1885, 1950, 2175, 2262, 2315, 2610, 2778, 2925, 3393, 3770, 4167, 4350, 4630, 5655, 5850, 6019, 6525, 6786, 6945, 8334, 9425, 11310, 11575, 12038, 13050, 13427, 13890, 16965, 18057, 18850, 20835, 23150, 26854, 28275, 30095, 33930, 34725, 36114, 40281, 41670, 54171, 56550, 60190, 67135, 69450, 80562, 84825, 90285, 104175, 108342, 120843, 134270, 150475, 169650, 174551, 180570, 201405, 208350, 241686, 270855, 300950, 335675, 349102, 402810, 451425, 523653, 541710, 604215, 671350, 872755, 902850, 1007025, 1047306, 1208430, 1354275, 1570959, 1745510, 2014050, 2618265, 2708550, 3021075, 3141918, 4363775, 5236530, 6042150, 7854795, 8727550, 13091325, 15709590, 26182650, 39273975, 78547950]

約数ペア:

[(1, 78547950), (2, 39273975), (3, 26182650), (5, 15709590), (6, 13091325), (9, 8727550), (10, 7854795), (13, 6042150), (15, 5236530), (18, 4363775), (25, 3141918), (26, 3021075), (29, 2708550), (30, 2618265), (39, 2014050), (45, 1745510), (50, 1570959), (58, 1354275), (65, 1208430), (75, 1047306), (78, 1007025), (87, 902850), (90, 872755), (117, 671350), (130, 604215), (145, 541710), (150, 523653), (174, 451425), (195, 402810), (225, 349102), (234, 335675), (261, 300950), (290, 270855), (325, 241686), (377, 208350), (390, 201405), (435, 180570), (450, 174551), (463, 169650), (522, 150475), (585, 134270), (650, 120843), (725, 108342), (754, 104175), (870, 90285), (926, 84825), (975, 80562), (1131, 69450), (1170, 67135), (1305, 60190), (1389, 56550), (1450, 54171), (1885, 41670), (1950, 40281), (2175, 36114), (2262, 34725), (2315, 33930), (2610, 30095), (2778, 28275), (2925, 26854), (3393, 23150), (3770, 20835), (4167, 18850), (4350, 18057), (4630, 16965), (5655, 13890), (5850, 13427), (6019, 13050), (6525, 12038), (6786, 11575), (6945, 11310), (8334, 9425)]