128285640

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:337

約数の個数: 256

約数和(自身を含む): 497664000

約数和(自身を除く): 369378360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 71, 72, 84, 90, 105, 108, 120, 126, 135, 140, 142, 168, 180, 189, 210, 213, 216, 239, 252, 270, 280, 284, 315, 355, 360, 378, 420, 426, 478, 497, 504, 540, 568, 630, 639, 710, 717, 756, 840, 852, 945, 956, 994, 1065, 1080, 1195, 1260, 1278, 1420, 1434, 1491, 1512, 1673, 1704, 1890, 1912, 1917, 1988, 2130, 2151, 2390, 2485, 2520, 2556, 2840, 2868, 2982, 3195, 3346, 3585, 3780, 3834, 3976, 4260, 4302, 4473, 4780, 4970, 5019, 5112, 5736, 5964, 6390, 6453, 6692, 7170, 7455, 7560, 7668, 8365, 8520, 8604, 8946, 9560, 9585, 9940, 10038, 10755, 11928, 12780, 12906, 13384, 13419, 14340, 14910, 15057, 15336, 16730, 16969, 17208, 17892, 19170, 19880, 20076, 21510, 22365, 25095, 25560, 25812, 26838, 28680, 29820, 30114, 32265, 33460, 33938, 35784, 38340, 40152, 43020, 44730, 45171, 50190, 50907, 51624, 53676, 59640, 60228, 64530, 66920, 67095, 67876, 75285, 76680, 84845, 86040, 89460, 90342, 100380, 101814, 107352, 118783, 120456, 129060, 134190, 135752, 150570, 152721, 169690, 178920, 180684, 200760, 203628, 225855, 237566, 254535, 258120, 268380, 301140, 305442, 339380, 356349, 361368, 407256, 451710, 458163, 475132, 509070, 536760, 593915, 602280, 610884, 678760, 712698, 763605, 903420, 916326, 950264, 1018140, 1069047, 1187830, 1221768, 1425396, 1527210, 1781745, 1806840, 1832652, 2036280, 2138094, 2290815, 2375660, 2850792, 3054420, 3207141, 3563490, 3665304, 4276188, 4581630, 4751320, 5345235, 6108840, 6414282, 7126980, 8552376, 9163260, 10690470, 12828564, 14253960, 16035705, 18326520, 21380940, 25657128, 32071410, 42761880, 64142820, 128285640]

約数ペア:

[(1, 128285640), (2, 64142820), (3, 42761880), (4, 32071410), (5, 25657128), (6, 21380940), (7, 18326520), (8, 16035705), (9, 14253960), (10, 12828564), (12, 10690470), (14, 9163260), (15, 8552376), (18, 7126980), (20, 6414282), (21, 6108840), (24, 5345235), (27, 4751320), (28, 4581630), (30, 4276188), (35, 3665304), (36, 3563490), (40, 3207141), (42, 3054420), (45, 2850792), (54, 2375660), (56, 2290815), (60, 2138094), (63, 2036280), (70, 1832652), (71, 1806840), (72, 1781745), (84, 1527210), (90, 1425396), (105, 1221768), (108, 1187830), (120, 1069047), (126, 1018140), (135, 950264), (140, 916326), (142, 903420), (168, 763605), (180, 712698), (189, 678760), (210, 610884), (213, 602280), (216, 593915), (239, 536760), (252, 509070), (270, 475132), (280, 458163), (284, 451710), (315, 407256), (355, 361368), (360, 356349), (378, 339380), (420, 305442), (426, 301140), (478, 268380), (497, 258120), (504, 254535), (540, 237566), (568, 225855), (630, 203628), (639, 200760), (710, 180684), (717, 178920), (756, 169690), (840, 152721), (852, 150570), (945, 135752), (956, 134190), (994, 129060), (1065, 120456), (1080, 118783), (1195, 107352), (1260, 101814), (1278, 100380), (1420, 90342), (1434, 89460), (1491, 86040), (1512, 84845), (1673, 76680), (1704, 75285), (1890, 67876), (1912, 67095), (1917, 66920), (1988, 64530), (2130, 60228), (2151, 59640), (2390, 53676), (2485, 51624), (2520, 50907), (2556, 50190), (2840, 45171), (2868, 44730), (2982, 43020), (3195, 40152), (3346, 38340), (3585, 35784), (3780, 33938), (3834, 33460), (3976, 32265), (4260, 30114), (4302, 29820), (4473, 28680), (4780, 26838), (4970, 25812), (5019, 25560), (5112, 25095), (5736, 22365), (5964, 21510), (6390, 20076), (6453, 19880), (6692, 19170), (7170, 17892), (7455, 17208), (7560, 16969), (7668, 16730), (8365, 15336), (8520, 15057), (8604, 14910), (8946, 14340), (9560, 13419), (9585, 13384), (9940, 12906), (10038, 12780), (10755, 11928)]