245514420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1913}}^1$

素因数の和:1982

約数の個数: 144

約数和(自身を含む): 802593792

約数和(自身を除く): 557079372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 31, 36, 45, 46, 60, 62, 69, 90, 92, 93, 115, 124, 138, 155, 180, 186, 207, 230, 276, 279, 310, 345, 372, 414, 460, 465, 558, 620, 690, 713, 828, 930, 1035, 1116, 1380, 1395, 1426, 1860, 1913, 2070, 2139, 2790, 2852, 3565, 3826, 4140, 4278, 5580, 5739, 6417, 7130, 7652, 8556, 9565, 10695, 11478, 12834, 14260, 17217, 19130, 21390, 22956, 25668, 28695, 32085, 34434, 38260, 42780, 43999, 57390, 59303, 64170, 68868, 86085, 87998, 114780, 118606, 128340, 131997, 172170, 175996, 177909, 219995, 237212, 263994, 296515, 344340, 355818, 395991, 439990, 527988, 533727, 593030, 659985, 711636, 791982, 879980, 889545, 1067454, 1186060, 1319970, 1363969, 1583964, 1779090, 1979955, 2134908, 2639940, 2668635, 2727938, 3558180, 3959910, 4091907, 5337270, 5455876, 6819845, 7919820, 8183814, 10674540, 12275721, 13639690, 16367628, 20459535, 24551442, 27279380, 40919070, 49102884, 61378605, 81838140, 122757210, 245514420]

約数ペア:

[(1, 245514420), (2, 122757210), (3, 81838140), (4, 61378605), (5, 49102884), (6, 40919070), (9, 27279380), (10, 24551442), (12, 20459535), (15, 16367628), (18, 13639690), (20, 12275721), (23, 10674540), (30, 8183814), (31, 7919820), (36, 6819845), (45, 5455876), (46, 5337270), (60, 4091907), (62, 3959910), (69, 3558180), (90, 2727938), (92, 2668635), (93, 2639940), (115, 2134908), (124, 1979955), (138, 1779090), (155, 1583964), (180, 1363969), (186, 1319970), (207, 1186060), (230, 1067454), (276, 889545), (279, 879980), (310, 791982), (345, 711636), (372, 659985), (414, 593030), (460, 533727), (465, 527988), (558, 439990), (620, 395991), (690, 355818), (713, 344340), (828, 296515), (930, 263994), (1035, 237212), (1116, 219995), (1380, 177909), (1395, 175996), (1426, 172170), (1860, 131997), (1913, 128340), (2070, 118606), (2139, 114780), (2790, 87998), (2852, 86085), (3565, 68868), (3826, 64170), (4140, 59303), (4278, 57390), (5580, 43999), (5739, 42780), (6417, 38260), (7130, 34434), (7652, 32085), (8556, 28695), (9565, 25668), (10695, 22956), (11478, 21390), (12834, 19130), (14260, 17217)]