2481240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 128

約数和(自身を含む): 8294400

約数和(自身を除く): 5813160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 31, 40, 46, 58, 60, 62, 69, 87, 92, 93, 115, 116, 120, 124, 138, 145, 155, 174, 184, 186, 230, 232, 248, 276, 290, 310, 345, 348, 372, 435, 460, 465, 552, 580, 620, 667, 690, 696, 713, 744, 870, 899, 920, 930, 1160, 1240, 1334, 1380, 1426, 1740, 1798, 1860, 2001, 2139, 2668, 2697, 2760, 2852, 3335, 3480, 3565, 3596, 3720, 4002, 4278, 4495, 5336, 5394, 5704, 6670, 7130, 7192, 8004, 8556, 8990, 10005, 10695, 10788, 13340, 13485, 14260, 16008, 17112, 17980, 20010, 20677, 21390, 21576, 26680, 26970, 28520, 35960, 40020, 41354, 42780, 53940, 62031, 80040, 82708, 85560, 103385, 107880, 124062, 165416, 206770, 248124, 310155, 413540, 496248, 620310, 827080, 1240620, 2481240]

約数ペア:

[(1, 2481240), (2, 1240620), (3, 827080), (4, 620310), (5, 496248), (6, 413540), (8, 310155), (10, 248124), (12, 206770), (15, 165416), (20, 124062), (23, 107880), (24, 103385), (29, 85560), (30, 82708), (31, 80040), (40, 62031), (46, 53940), (58, 42780), (60, 41354), (62, 40020), (69, 35960), (87, 28520), (92, 26970), (93, 26680), (115, 21576), (116, 21390), (120, 20677), (124, 20010), (138, 17980), (145, 17112), (155, 16008), (174, 14260), (184, 13485), (186, 13340), (230, 10788), (232, 10695), (248, 10005), (276, 8990), (290, 8556), (310, 8004), (345, 7192), (348, 7130), (372, 6670), (435, 5704), (460, 5394), (465, 5336), (552, 4495), (580, 4278), (620, 4002), (667, 3720), (690, 3596), (696, 3565), (713, 3480), (744, 3335), (870, 2852), (899, 2760), (920, 2697), (930, 2668), (1160, 2139), (1240, 2001), (1334, 1860), (1380, 1798), (1426, 1740)]