128751840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1$

素因数の和:322

約数の個数: 288

約数和(自身を含む): 513729216

約数和(自身を除く): 384977376

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 106, 112, 120, 126, 140, 144, 159, 160, 168, 180, 210, 212, 224, 240, 241, 252, 265, 280, 288, 315, 318, 336, 360, 371, 420, 424, 477, 480, 482, 504, 530, 560, 630, 636, 672, 720, 723, 742, 795, 840, 848, 954, 964, 1008, 1060, 1113, 1120, 1205, 1260, 1272, 1440, 1446, 1484, 1590, 1680, 1687, 1696, 1855, 1908, 1928, 2016, 2120, 2169, 2226, 2385, 2410, 2520, 2544, 2892, 2968, 3180, 3339, 3360, 3374, 3615, 3710, 3816, 3856, 4240, 4338, 4452, 4770, 4820, 5040, 5061, 5088, 5565, 5784, 5936, 6360, 6678, 6748, 7230, 7420, 7632, 7712, 8435, 8480, 8676, 8904, 9540, 9640, 10080, 10122, 10845, 11130, 11568, 11872, 12720, 12773, 13356, 13496, 14460, 14840, 15183, 15264, 16695, 16870, 17352, 17808, 19080, 19280, 20244, 21690, 22260, 23136, 25305, 25440, 25546, 26712, 26992, 28920, 29680, 30366, 33390, 33740, 34704, 35616, 38160, 38319, 38560, 40488, 43380, 44520, 50610, 51092, 53424, 53984, 57840, 59360, 60732, 63865, 66780, 67480, 69408, 75915, 76320, 76638, 80976, 86760, 89040, 89411, 101220, 102184, 106848, 114957, 115680, 121464, 127730, 133560, 134960, 151830, 153276, 161952, 173520, 178080, 178822, 191595, 202440, 204368, 229914, 242928, 255460, 267120, 268233, 269920, 303660, 306552, 347040, 357644, 383190, 404880, 408736, 447055, 459828, 485856, 510920, 534240, 536466, 574785, 607320, 613104, 715288, 766380, 804699, 809760, 894110, 919656, 1021840, 1072932, 1149570, 1214640, 1226208, 1341165, 1430576, 1532760, 1609398, 1788220, 1839312, 2043680, 2145864, 2299140, 2429280, 2682330, 2861152, 3065520, 3218796, 3576440, 3678624, 4023495, 4291728, 4598280, 5364660, 6131040, 6437592, 7152880, 8046990, 8583456, 9196560, 10729320, 12875184, 14305760, 16093980, 18393120, 21458640, 25750368, 32187960, 42917280, 64375920, 128751840]

約数ペア:

[(1, 128751840), (2, 64375920), (3, 42917280), (4, 32187960), (5, 25750368), (6, 21458640), (7, 18393120), (8, 16093980), (9, 14305760), (10, 12875184), (12, 10729320), (14, 9196560), (15, 8583456), (16, 8046990), (18, 7152880), (20, 6437592), (21, 6131040), (24, 5364660), (28, 4598280), (30, 4291728), (32, 4023495), (35, 3678624), (36, 3576440), (40, 3218796), (42, 3065520), (45, 2861152), (48, 2682330), (53, 2429280), (56, 2299140), (60, 2145864), (63, 2043680), (70, 1839312), (72, 1788220), (80, 1609398), (84, 1532760), (90, 1430576), (96, 1341165), (105, 1226208), (106, 1214640), (112, 1149570), (120, 1072932), (126, 1021840), (140, 919656), (144, 894110), (159, 809760), (160, 804699), (168, 766380), (180, 715288), (210, 613104), (212, 607320), (224, 574785), (240, 536466), (241, 534240), (252, 510920), (265, 485856), (280, 459828), (288, 447055), (315, 408736), (318, 404880), (336, 383190), (360, 357644), (371, 347040), (420, 306552), (424, 303660), (477, 269920), (480, 268233), (482, 267120), (504, 255460), (530, 242928), (560, 229914), (630, 204368), (636, 202440), (672, 191595), (720, 178822), (723, 178080), (742, 173520), (795, 161952), (840, 153276), (848, 151830), (954, 134960), (964, 133560), (1008, 127730), (1060, 121464), (1113, 115680), (1120, 114957), (1205, 106848), (1260, 102184), (1272, 101220), (1440, 89411), (1446, 89040), (1484, 86760), (1590, 80976), (1680, 76638), (1687, 76320), (1696, 75915), (1855, 69408), (1908, 67480), (1928, 66780), (2016, 63865), (2120, 60732), (2169, 59360), (2226, 57840), (2385, 53984), (2410, 53424), (2520, 51092), (2544, 50610), (2892, 44520), (2968, 43380), (3180, 40488), (3339, 38560), (3360, 38319), (3374, 38160), (3615, 35616), (3710, 34704), (3816, 33740), (3856, 33390), (4240, 30366), (4338, 29680), (4452, 28920), (4770, 26992), (4820, 26712), (5040, 25546), (5061, 25440), (5088, 25305), (5565, 23136), (5784, 22260), (5936, 21690), (6360, 20244), (6678, 19280), (6748, 19080), (7230, 17808), (7420, 17352), (7632, 16870), (7712, 16695), (8435, 15264), (8480, 15183), (8676, 14840), (8904, 14460), (9540, 13496), (9640, 13356), (10080, 12773), (10122, 12720), (10845, 11872), (11130, 11568)]