27991530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:460

約数の個数: 96

約数和(自身を含む): 84000384

約数和(自身を除く): 56008854

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 157, 210, 283, 314, 315, 471, 566, 630, 785, 849, 942, 1099, 1413, 1415, 1570, 1698, 1981, 2198, 2355, 2547, 2826, 2830, 3297, 3962, 4245, 4710, 5094, 5495, 5943, 6594, 7065, 8490, 9891, 9905, 10990, 11886, 12735, 14130, 16485, 17829, 19782, 19810, 25470, 29715, 32970, 35658, 44431, 49455, 59430, 88862, 89145, 98910, 133293, 178290, 222155, 266586, 311017, 399879, 444310, 622034, 666465, 799758, 933051, 1332930, 1555085, 1866102, 1999395, 2799153, 3110170, 3998790, 4665255, 5598306, 9330510, 13995765, 27991530]

約数ペア:

[(1, 27991530), (2, 13995765), (3, 9330510), (5, 5598306), (6, 4665255), (7, 3998790), (9, 3110170), (10, 2799153), (14, 1999395), (15, 1866102), (18, 1555085), (21, 1332930), (30, 933051), (35, 799758), (42, 666465), (45, 622034), (63, 444310), (70, 399879), (90, 311017), (105, 266586), (126, 222155), (157, 178290), (210, 133293), (283, 98910), (314, 89145), (315, 88862), (471, 59430), (566, 49455), (630, 44431), (785, 35658), (849, 32970), (942, 29715), (1099, 25470), (1413, 19810), (1415, 19782), (1570, 17829), (1698, 16485), (1981, 14130), (2198, 12735), (2355, 11886), (2547, 10990), (2826, 9905), (2830, 9891), (3297, 8490), (3962, 7065), (4245, 6594), (4710, 5943), (5094, 5495)]