78381900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 216

約数和(自身を含む): 268107840

約数和(自身を除く): 189725940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 47, 50, 51, 60, 68, 75, 85, 90, 94, 100, 102, 109, 141, 150, 153, 170, 180, 188, 204, 218, 225, 235, 255, 282, 300, 306, 327, 340, 423, 425, 436, 450, 470, 510, 545, 564, 612, 654, 705, 765, 799, 846, 850, 900, 940, 981, 1020, 1090, 1175, 1275, 1308, 1410, 1530, 1598, 1635, 1692, 1700, 1853, 1962, 2115, 2180, 2350, 2397, 2550, 2725, 2820, 3060, 3196, 3270, 3525, 3706, 3825, 3924, 3995, 4230, 4700, 4794, 4905, 5100, 5123, 5450, 5559, 6540, 7050, 7191, 7412, 7650, 7990, 8175, 8460, 9265, 9588, 9810, 10246, 10575, 10900, 11118, 11985, 14100, 14382, 15300, 15369, 15980, 16350, 16677, 18530, 19620, 19975, 20492, 21150, 22236, 23970, 24525, 25615, 27795, 28764, 30738, 32700, 33354, 35955, 37060, 39950, 42300, 46107, 46325, 47940, 49050, 51230, 55590, 59925, 61476, 66708, 71910, 76845, 79900, 83385, 87091, 92214, 92650, 98100, 102460, 111180, 119850, 128075, 138975, 143820, 153690, 166770, 174182, 179775, 184428, 185300, 230535, 239700, 256150, 261273, 277950, 307380, 333540, 348364, 359550, 384225, 416925, 435455, 461070, 512300, 522546, 555900, 719100, 768450, 783819, 833850, 870910, 922140, 1045092, 1152675, 1306365, 1536900, 1567638, 1667700, 1741820, 2177275, 2305350, 2612730, 3135276, 3919095, 4354550, 4610700, 5225460, 6531825, 7838190, 8709100, 13063650, 15676380, 19595475, 26127300, 39190950, 78381900]

約数ペア:

[(1, 78381900), (2, 39190950), (3, 26127300), (4, 19595475), (5, 15676380), (6, 13063650), (9, 8709100), (10, 7838190), (12, 6531825), (15, 5225460), (17, 4610700), (18, 4354550), (20, 3919095), (25, 3135276), (30, 2612730), (34, 2305350), (36, 2177275), (45, 1741820), (47, 1667700), (50, 1567638), (51, 1536900), (60, 1306365), (68, 1152675), (75, 1045092), (85, 922140), (90, 870910), (94, 833850), (100, 783819), (102, 768450), (109, 719100), (141, 555900), (150, 522546), (153, 512300), (170, 461070), (180, 435455), (188, 416925), (204, 384225), (218, 359550), (225, 348364), (235, 333540), (255, 307380), (282, 277950), (300, 261273), (306, 256150), (327, 239700), (340, 230535), (423, 185300), (425, 184428), (436, 179775), (450, 174182), (470, 166770), (510, 153690), (545, 143820), (564, 138975), (612, 128075), (654, 119850), (705, 111180), (765, 102460), (799, 98100), (846, 92650), (850, 92214), (900, 87091), (940, 83385), (981, 79900), (1020, 76845), (1090, 71910), (1175, 66708), (1275, 61476), (1308, 59925), (1410, 55590), (1530, 51230), (1598, 49050), (1635, 47940), (1692, 46325), (1700, 46107), (1853, 42300), (1962, 39950), (2115, 37060), (2180, 35955), (2350, 33354), (2397, 32700), (2550, 30738), (2725, 28764), (2820, 27795), (3060, 25615), (3196, 24525), (3270, 23970), (3525, 22236), (3706, 21150), (3825, 20492), (3924, 19975), (3995, 19620), (4230, 18530), (4700, 16677), (4794, 16350), (4905, 15980), (5100, 15369), (5123, 15300), (5450, 14382), (5559, 14100), (6540, 11985), (7050, 11118), (7191, 10900), (7412, 10575), (7650, 10246), (7990, 9810), (8175, 9588), (8460, 9265)]