256353840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{769}}^1$

素因数の和:1251

約数の個数: 120

約数和(自身を含む): 863903040

約数和(自身を除く): 607549200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 463, 720, 769, 926, 1389, 1538, 1852, 2307, 2315, 2778, 3076, 3704, 3845, 4167, 4614, 4630, 5556, 6152, 6921, 6945, 7408, 7690, 8334, 9228, 9260, 11112, 11535, 12304, 13842, 13890, 15380, 16668, 18456, 18520, 20835, 22224, 23070, 27684, 27780, 30760, 33336, 34605, 36912, 37040, 41670, 46140, 55368, 55560, 61520, 66672, 69210, 83340, 92280, 110736, 111120, 138420, 166680, 184560, 276840, 333360, 356047, 553680, 712094, 1068141, 1424188, 1780235, 2136282, 2848376, 3204423, 3560470, 4272564, 5340705, 5696752, 6408846, 7120940, 8545128, 10681410, 12817692, 14241880, 16022115, 17090256, 21362820, 25635384, 28483760, 32044230, 42725640, 51270768, 64088460, 85451280, 128176920, 256353840]

約数ペア:

[(1, 256353840), (2, 128176920), (3, 85451280), (4, 64088460), (5, 51270768), (6, 42725640), (8, 32044230), (9, 28483760), (10, 25635384), (12, 21362820), (15, 17090256), (16, 16022115), (18, 14241880), (20, 12817692), (24, 10681410), (30, 8545128), (36, 7120940), (40, 6408846), (45, 5696752), (48, 5340705), (60, 4272564), (72, 3560470), (80, 3204423), (90, 2848376), (120, 2136282), (144, 1780235), (180, 1424188), (240, 1068141), (360, 712094), (463, 553680), (720, 356047), (769, 333360), (926, 276840), (1389, 184560), (1538, 166680), (1852, 138420), (2307, 111120), (2315, 110736), (2778, 92280), (3076, 83340), (3704, 69210), (3845, 66672), (4167, 61520), (4614, 55560), (4630, 55368), (5556, 46140), (6152, 41670), (6921, 37040), (6945, 36912), (7408, 34605), (7690, 33336), (8334, 30760), (9228, 27780), (9260, 27684), (11112, 23070), (11535, 22224), (12304, 20835), (13842, 18520), (13890, 18456), (15380, 16668)]