245033920

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1453}}^1$

素因数の和:1518

約数の個数: 112

約数和(自身を含む): 638178048

約数和(自身を除く): 393144128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 620, 680, 992, 1054, 1088, 1240, 1360, 1453, 1984, 2108, 2480, 2635, 2720, 2906, 4216, 4960, 5270, 5440, 5812, 7265, 8432, 9920, 10540, 11624, 14530, 16864, 21080, 23248, 24701, 29060, 33728, 42160, 45043, 46496, 49402, 58120, 84320, 90086, 92992, 98804, 116240, 123505, 168640, 180172, 197608, 225215, 232480, 247010, 360344, 395216, 450430, 464960, 494020, 720688, 765731, 790432, 900860, 988040, 1441376, 1531462, 1580864, 1801720, 1976080, 2882752, 3062924, 3603440, 3828655, 3952160, 6125848, 7206880, 7657310, 7904320, 12251696, 14413760, 15314620, 24503392, 30629240, 49006784, 61258480, 122516960, 245033920]

約数ペア:

[(1, 245033920), (2, 122516960), (4, 61258480), (5, 49006784), (8, 30629240), (10, 24503392), (16, 15314620), (17, 14413760), (20, 12251696), (31, 7904320), (32, 7657310), (34, 7206880), (40, 6125848), (62, 3952160), (64, 3828655), (68, 3603440), (80, 3062924), (85, 2882752), (124, 1976080), (136, 1801720), (155, 1580864), (160, 1531462), (170, 1441376), (248, 988040), (272, 900860), (310, 790432), (320, 765731), (340, 720688), (496, 494020), (527, 464960), (544, 450430), (620, 395216), (680, 360344), (992, 247010), (1054, 232480), (1088, 225215), (1240, 197608), (1360, 180172), (1453, 168640), (1984, 123505), (2108, 116240), (2480, 98804), (2635, 92992), (2720, 90086), (2906, 84320), (4216, 58120), (4960, 49402), (5270, 46496), (5440, 45043), (5812, 42160), (7265, 33728), (8432, 29060), (9920, 24701), (10540, 23248), (11624, 21080), (14530, 16864)]