65519460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1523}}^1$

素因数の和:1777

約数の個数: 72

約数和(自身を含む): 199704960

約数和(自身を除く): 134185500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 1523, 2151, 2390, 2868, 3046, 3585, 4302, 4569, 4780, 6092, 7170, 7615, 8604, 9138, 10755, 13707, 14340, 15230, 18276, 21510, 22845, 27414, 30460, 43020, 45690, 54828, 68535, 91380, 137070, 274140, 363997, 727994, 1091991, 1455988, 1819985, 2183982, 3275973, 3639970, 4367964, 5459955, 6551946, 7279940, 10919910, 13103892, 16379865, 21839820, 32759730, 65519460]

約数ペア:

[(1, 65519460), (2, 32759730), (3, 21839820), (4, 16379865), (5, 13103892), (6, 10919910), (9, 7279940), (10, 6551946), (12, 5459955), (15, 4367964), (18, 3639970), (20, 3275973), (30, 2183982), (36, 1819985), (45, 1455988), (60, 1091991), (90, 727994), (180, 363997), (239, 274140), (478, 137070), (717, 91380), (956, 68535), (1195, 54828), (1434, 45690), (1523, 43020), (2151, 30460), (2390, 27414), (2868, 22845), (3046, 21510), (3585, 18276), (4302, 15230), (4569, 14340), (4780, 13707), (6092, 10755), (7170, 9138), (7615, 8604)]