1217365620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{3691}}^1$

素因数の和:3965

約数の個数: 96

約数和(自身を含む): 3572674560

約数和(自身を除く): 2355308940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 239, 276, 345, 460, 478, 690, 717, 956, 1195, 1380, 1434, 2390, 2868, 3585, 3691, 4780, 5497, 7170, 7382, 10994, 11073, 14340, 14764, 16491, 18455, 21988, 22146, 27485, 32982, 36910, 44292, 54970, 55365, 65964, 73820, 82455, 84893, 109940, 110730, 164910, 169786, 221460, 254679, 329820, 339572, 424465, 509358, 848930, 882149, 1018716, 1273395, 1697860, 1764298, 2546790, 2646447, 3528596, 4410745, 5093580, 5292894, 8821490, 10585788, 13232235, 17642980, 20289427, 26464470, 40578854, 52928940, 60868281, 81157708, 101447135, 121736562, 202894270, 243473124, 304341405, 405788540, 608682810, 1217365620]

約数ペア:

[(1, 1217365620), (2, 608682810), (3, 405788540), (4, 304341405), (5, 243473124), (6, 202894270), (10, 121736562), (12, 101447135), (15, 81157708), (20, 60868281), (23, 52928940), (30, 40578854), (46, 26464470), (60, 20289427), (69, 17642980), (92, 13232235), (115, 10585788), (138, 8821490), (230, 5292894), (239, 5093580), (276, 4410745), (345, 3528596), (460, 2646447), (478, 2546790), (690, 1764298), (717, 1697860), (956, 1273395), (1195, 1018716), (1380, 882149), (1434, 848930), (2390, 509358), (2868, 424465), (3585, 339572), (3691, 329820), (4780, 254679), (5497, 221460), (7170, 169786), (7382, 164910), (10994, 110730), (11073, 109940), (14340, 84893), (14764, 82455), (16491, 73820), (18455, 65964), (21988, 55365), (22146, 54970), (27485, 44292), (32982, 36910)]