251841240

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 288

約数和(自身を含む): 974544480

約数和(自身を除く): 722703240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 56, 60, 63, 70, 72, 73, 74, 84, 90, 105, 111, 120, 126, 140, 146, 148, 168, 180, 185, 210, 219, 222, 252, 259, 280, 292, 296, 315, 333, 360, 365, 370, 420, 438, 444, 504, 511, 518, 555, 584, 630, 657, 666, 730, 740, 777, 840, 876, 888, 1022, 1036, 1095, 1110, 1260, 1295, 1314, 1332, 1369, 1460, 1480, 1533, 1554, 1665, 1752, 2044, 2072, 2190, 2220, 2331, 2520, 2555, 2590, 2628, 2664, 2701, 2738, 2920, 3066, 3108, 3285, 3330, 3885, 4088, 4107, 4380, 4440, 4599, 4662, 5110, 5180, 5256, 5402, 5476, 6132, 6216, 6570, 6660, 6845, 7665, 7770, 8103, 8214, 8760, 9198, 9324, 9583, 10220, 10360, 10804, 10952, 11655, 12264, 12321, 13140, 13320, 13505, 13690, 15330, 15540, 16206, 16428, 18396, 18648, 18907, 19166, 20440, 20535, 21608, 22995, 23310, 24309, 24642, 26280, 27010, 27380, 28749, 30660, 31080, 32412, 32856, 36792, 37814, 38332, 40515, 41070, 45990, 46620, 47915, 48618, 49284, 54020, 54760, 56721, 57498, 61320, 61605, 64824, 75628, 76664, 81030, 82140, 86247, 91980, 93240, 94535, 95830, 97236, 98568, 99937, 108040, 113442, 114996, 121545, 123210, 143745, 151256, 162060, 164280, 170163, 172494, 183960, 189070, 191660, 194472, 199874, 226884, 229992, 243090, 246420, 283605, 287490, 299811, 324120, 340326, 344988, 378140, 383320, 399748, 431235, 453768, 486180, 492840, 499685, 567210, 574980, 599622, 680652, 689976, 699559, 756280, 799496, 850815, 862470, 899433, 972360, 999370, 1134420, 1149960, 1199244, 1361304, 1399118, 1499055, 1701630, 1724940, 1798866, 1998740, 2098677, 2268840, 2398488, 2798236, 2998110, 3403260, 3449880, 3497795, 3597732, 3997480, 4197354, 4497165, 5596472, 5996220, 6296031, 6806520, 6995590, 7195464, 8394708, 8994330, 10493385, 11992440, 12592062, 13991180, 16789416, 17988660, 20986770, 25184124, 27982360, 31480155, 35977320, 41973540, 50368248, 62960310, 83947080, 125920620, 251841240]

約数ペア:

[(1, 251841240), (2, 125920620), (3, 83947080), (4, 62960310), (5, 50368248), (6, 41973540), (7, 35977320), (8, 31480155), (9, 27982360), (10, 25184124), (12, 20986770), (14, 17988660), (15, 16789416), (18, 13991180), (20, 12592062), (21, 11992440), (24, 10493385), (28, 8994330), (30, 8394708), (35, 7195464), (36, 6995590), (37, 6806520), (40, 6296031), (42, 5996220), (45, 5596472), (56, 4497165), (60, 4197354), (63, 3997480), (70, 3597732), (72, 3497795), (73, 3449880), (74, 3403260), (84, 2998110), (90, 2798236), (105, 2398488), (111, 2268840), (120, 2098677), (126, 1998740), (140, 1798866), (146, 1724940), (148, 1701630), (168, 1499055), (180, 1399118), (185, 1361304), (210, 1199244), (219, 1149960), (222, 1134420), (252, 999370), (259, 972360), (280, 899433), (292, 862470), (296, 850815), (315, 799496), (333, 756280), (360, 699559), (365, 689976), (370, 680652), (420, 599622), (438, 574980), (444, 567210), (504, 499685), (511, 492840), (518, 486180), (555, 453768), (584, 431235), (630, 399748), (657, 383320), (666, 378140), (730, 344988), (740, 340326), (777, 324120), (840, 299811), (876, 287490), (888, 283605), (1022, 246420), (1036, 243090), (1095, 229992), (1110, 226884), (1260, 199874), (1295, 194472), (1314, 191660), (1332, 189070), (1369, 183960), (1460, 172494), (1480, 170163), (1533, 164280), (1554, 162060), (1665, 151256), (1752, 143745), (2044, 123210), (2072, 121545), (2190, 114996), (2220, 113442), (2331, 108040), (2520, 99937), (2555, 98568), (2590, 97236), (2628, 95830), (2664, 94535), (2701, 93240), (2738, 91980), (2920, 86247), (3066, 82140), (3108, 81030), (3285, 76664), (3330, 75628), (3885, 64824), (4088, 61605), (4107, 61320), (4380, 57498), (4440, 56721), (4599, 54760), (4662, 54020), (5110, 49284), (5180, 48618), (5256, 47915), (5402, 46620), (5476, 45990), (6132, 41070), (6216, 40515), (6570, 38332), (6660, 37814), (6845, 36792), (7665, 32856), (7770, 32412), (8103, 31080), (8214, 30660), (8760, 28749), (9198, 27380), (9324, 27010), (9583, 26280), (10220, 24642), (10360, 24309), (10804, 23310), (10952, 22995), (11655, 21608), (12264, 20535), (12321, 20440), (13140, 19166), (13320, 18907), (13505, 18648), (13690, 18396), (15330, 16428), (15540, 16206)]