2555280

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^2$

素因数の和:55

約数の個数: 240

約数和(自身を含む): 10892160

約数和(自身を除く): 8336880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 54, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 108, 112, 117, 120, 126, 130, 135, 140, 144, 156, 168, 169, 180, 182, 189, 195, 208, 210, 216, 234, 240, 252, 260, 270, 273, 280, 312, 315, 336, 338, 351, 360, 364, 378, 390, 420, 432, 455, 468, 504, 507, 520, 540, 546, 560, 585, 624, 630, 676, 702, 720, 728, 756, 780, 819, 840, 845, 910, 936, 945, 1008, 1014, 1040, 1080, 1092, 1170, 1183, 1260, 1352, 1365, 1404, 1456, 1512, 1521, 1560, 1638, 1680, 1690, 1755, 1820, 1872, 1890, 2028, 2160, 2184, 2340, 2366, 2457, 2520, 2535, 2704, 2730, 2808, 3024, 3042, 3120, 3276, 3380, 3510, 3549, 3640, 3780, 4056, 4095, 4368, 4563, 4680, 4732, 4914, 5040, 5070, 5460, 5616, 5915, 6084, 6552, 6760, 7020, 7098, 7280, 7560, 7605, 8112, 8190, 9126, 9360, 9464, 9828, 10140, 10647, 10920, 11830, 12168, 12285, 13104, 13520, 14040, 14196, 15120, 15210, 16380, 17745, 18252, 18928, 19656, 20280, 21294, 21840, 22815, 23660, 24336, 24570, 28080, 28392, 30420, 31941, 32760, 35490, 36504, 39312, 40560, 42588, 45630, 47320, 49140, 53235, 56784, 60840, 63882, 65520, 70980, 73008, 85176, 91260, 94640, 98280, 106470, 121680, 127764, 141960, 159705, 170352, 182520, 196560, 212940, 255528, 283920, 319410, 365040, 425880, 511056, 638820, 851760, 1277640, 2555280]

約数ペア:

[(1, 2555280), (2, 1277640), (3, 851760), (4, 638820), (5, 511056), (6, 425880), (7, 365040), (8, 319410), (9, 283920), (10, 255528), (12, 212940), (13, 196560), (14, 182520), (15, 170352), (16, 159705), (18, 141960), (20, 127764), (21, 121680), (24, 106470), (26, 98280), (27, 94640), (28, 91260), (30, 85176), (35, 73008), (36, 70980), (39, 65520), (40, 63882), (42, 60840), (45, 56784), (48, 53235), (52, 49140), (54, 47320), (56, 45630), (60, 42588), (63, 40560), (65, 39312), (70, 36504), (72, 35490), (78, 32760), (80, 31941), (84, 30420), (90, 28392), (91, 28080), (104, 24570), (105, 24336), (108, 23660), (112, 22815), (117, 21840), (120, 21294), (126, 20280), (130, 19656), (135, 18928), (140, 18252), (144, 17745), (156, 16380), (168, 15210), (169, 15120), (180, 14196), (182, 14040), (189, 13520), (195, 13104), (208, 12285), (210, 12168), (216, 11830), (234, 10920), (240, 10647), (252, 10140), (260, 9828), (270, 9464), (273, 9360), (280, 9126), (312, 8190), (315, 8112), (336, 7605), (338, 7560), (351, 7280), (360, 7098), (364, 7020), (378, 6760), (390, 6552), (420, 6084), (432, 5915), (455, 5616), (468, 5460), (504, 5070), (507, 5040), (520, 4914), (540, 4732), (546, 4680), (560, 4563), (585, 4368), (624, 4095), (630, 4056), (676, 3780), (702, 3640), (720, 3549), (728, 3510), (756, 3380), (780, 3276), (819, 3120), (840, 3042), (845, 3024), (910, 2808), (936, 2730), (945, 2704), (1008, 2535), (1014, 2520), (1040, 2457), (1080, 2366), (1092, 2340), (1170, 2184), (1183, 2160), (1260, 2028), (1352, 1890), (1365, 1872), (1404, 1820), (1456, 1755), (1512, 1690), (1521, 1680), (1560, 1638)]