331078920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21061}}^1$

素因数の和:21206

約数の個数: 64

約数和(自身を含む): 1000866240

約数和(自身を除く): 669787320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 15720, 21061, 42122, 63183, 84244, 105305, 126366, 168488, 210610, 252732, 315915, 421220, 505464, 631830, 842440, 1263660, 2527320, 2758991, 5517982, 8276973, 11035964, 13794955, 16553946, 22071928, 27589910, 33107892, 41384865, 55179820, 66215784, 82769730, 110359640, 165539460, 331078920]

約数ペア:

[(1, 331078920), (2, 165539460), (3, 110359640), (4, 82769730), (5, 66215784), (6, 55179820), (8, 41384865), (10, 33107892), (12, 27589910), (15, 22071928), (20, 16553946), (24, 13794955), (30, 11035964), (40, 8276973), (60, 5517982), (120, 2758991), (131, 2527320), (262, 1263660), (393, 842440), (524, 631830), (655, 505464), (786, 421220), (1048, 315915), (1310, 252732), (1572, 210610), (1965, 168488), (2620, 126366), (3144, 105305), (3930, 84244), (5240, 63183), (7860, 42122), (15720, 21061)]