51431640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32969}}^1$

素因数の和:32996

約数の個数: 64

約数和(自身を含む): 166168800

約数和(自身を除く): 114737160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 32969, 65938, 98907, 131876, 164845, 197814, 263752, 329690, 395628, 428597, 494535, 659380, 791256, 857194, 989070, 1285791, 1318760, 1714388, 1978140, 2142985, 2571582, 3428776, 3956280, 4285970, 5143164, 6428955, 8571940, 10286328, 12857910, 17143880, 25715820, 51431640]

約数ペア:

[(1, 51431640), (2, 25715820), (3, 17143880), (4, 12857910), (5, 10286328), (6, 8571940), (8, 6428955), (10, 5143164), (12, 4285970), (13, 3956280), (15, 3428776), (20, 2571582), (24, 2142985), (26, 1978140), (30, 1714388), (39, 1318760), (40, 1285791), (52, 989070), (60, 857194), (65, 791256), (78, 659380), (104, 494535), (120, 428597), (130, 395628), (156, 329690), (195, 263752), (260, 197814), (312, 164845), (390, 131876), (520, 98907), (780, 65938), (1560, 32969)]