257685480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55061}}^1$

素因数の和:55091

約数の個数: 96

約数和(自身を含む): 901915560

約数和(自身を除く): 644230080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 180, 195, 234, 260, 312, 360, 390, 468, 520, 585, 780, 936, 1170, 1560, 2340, 4680, 55061, 110122, 165183, 220244, 275305, 330366, 440488, 495549, 550610, 660732, 715793, 825915, 991098, 1101220, 1321464, 1431586, 1651830, 1982196, 2147379, 2202440, 2477745, 2863172, 3303660, 3578965, 3964392, 4294758, 4955490, 5726344, 6442137, 6607320, 7157930, 8589516, 9910980, 10736895, 12884274, 14315860, 17179032, 19821960, 21473790, 25768548, 28631720, 32210685, 42947580, 51537096, 64421370, 85895160, 128842740, 257685480]

約数ペア:

[(1, 257685480), (2, 128842740), (3, 85895160), (4, 64421370), (5, 51537096), (6, 42947580), (8, 32210685), (9, 28631720), (10, 25768548), (12, 21473790), (13, 19821960), (15, 17179032), (18, 14315860), (20, 12884274), (24, 10736895), (26, 9910980), (30, 8589516), (36, 7157930), (39, 6607320), (40, 6442137), (45, 5726344), (52, 4955490), (60, 4294758), (65, 3964392), (72, 3578965), (78, 3303660), (90, 2863172), (104, 2477745), (117, 2202440), (120, 2147379), (130, 1982196), (156, 1651830), (180, 1431586), (195, 1321464), (234, 1101220), (260, 991098), (312, 825915), (360, 715793), (390, 660732), (468, 550610), (520, 495549), (585, 440488), (780, 330366), (936, 275305), (1170, 220244), (1560, 165183), (2340, 110122), (4680, 55061)]