31707390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:442

約数の個数: 128

約数和(自身を含む): 94348800

約数和(自身を除く): 62641410

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 19, 22, 26, 30, 33, 38, 39, 55, 57, 65, 66, 78, 95, 110, 114, 130, 143, 165, 190, 195, 209, 247, 285, 286, 330, 389, 390, 418, 429, 494, 570, 627, 715, 741, 778, 858, 1045, 1167, 1235, 1254, 1430, 1482, 1945, 2090, 2145, 2334, 2470, 2717, 3135, 3705, 3890, 4279, 4290, 5057, 5434, 5835, 6270, 7391, 7410, 8151, 8558, 10114, 11670, 12837, 13585, 14782, 15171, 16302, 21395, 22173, 25285, 25674, 27170, 30342, 36955, 40755, 42790, 44346, 50570, 55627, 64185, 73910, 75855, 81301, 81510, 96083, 110865, 111254, 128370, 151710, 162602, 166881, 192166, 221730, 243903, 278135, 288249, 333762, 406505, 480415, 487806, 556270, 576498, 813010, 834405, 960830, 1056913, 1219515, 1441245, 1668810, 2113826, 2439030, 2882490, 3170739, 5284565, 6341478, 10569130, 15853695, 31707390]

約数ペア:

[(1, 31707390), (2, 15853695), (3, 10569130), (5, 6341478), (6, 5284565), (10, 3170739), (11, 2882490), (13, 2439030), (15, 2113826), (19, 1668810), (22, 1441245), (26, 1219515), (30, 1056913), (33, 960830), (38, 834405), (39, 813010), (55, 576498), (57, 556270), (65, 487806), (66, 480415), (78, 406505), (95, 333762), (110, 288249), (114, 278135), (130, 243903), (143, 221730), (165, 192166), (190, 166881), (195, 162602), (209, 151710), (247, 128370), (285, 111254), (286, 110865), (330, 96083), (389, 81510), (390, 81301), (418, 75855), (429, 73910), (494, 64185), (570, 55627), (627, 50570), (715, 44346), (741, 42790), (778, 40755), (858, 36955), (1045, 30342), (1167, 27170), (1235, 25674), (1254, 25285), (1430, 22173), (1482, 21395), (1945, 16302), (2090, 15171), (2145, 14782), (2334, 13585), (2470, 12837), (2717, 11670), (3135, 10114), (3705, 8558), (3890, 8151), (4279, 7410), (4290, 7391), (5057, 6270), (5434, 5835)]