15935205

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:91

約数の個数: 128

約数和(自身を含む): 34836480

約数和(自身を除く): 18901275

約数列:

[1, 3, 5, 11, 13, 15, 17, 19, 23, 33, 39, 51, 55, 57, 65, 69, 85, 95, 115, 143, 165, 187, 195, 209, 221, 247, 253, 255, 285, 299, 323, 345, 391, 429, 437, 561, 627, 663, 715, 741, 759, 897, 935, 969, 1045, 1105, 1173, 1235, 1265, 1311, 1495, 1615, 1955, 2145, 2185, 2431, 2717, 2805, 3135, 3289, 3315, 3553, 3705, 3795, 4199, 4301, 4485, 4807, 4845, 5083, 5681, 5865, 6555, 7293, 7429, 8151, 9867, 10659, 12155, 12597, 12903, 13585, 14421, 15249, 16445, 17043, 17765, 20995, 21505, 22287, 24035, 25415, 28405, 36465, 37145, 40755, 46189, 49335, 53295, 55913, 62491, 62985, 64515, 72105, 76245, 81719, 85215, 96577, 111435, 138567, 167739, 187473, 230945, 245157, 279565, 289731, 312455, 408595, 482885, 692835, 838695, 937365, 1062347, 1225785, 1448655, 3187041, 5311735, 15935205]

約数ペア:

[(1, 15935205), (3, 5311735), (5, 3187041), (11, 1448655), (13, 1225785), (15, 1062347), (17, 937365), (19, 838695), (23, 692835), (33, 482885), (39, 408595), (51, 312455), (55, 289731), (57, 279565), (65, 245157), (69, 230945), (85, 187473), (95, 167739), (115, 138567), (143, 111435), (165, 96577), (187, 85215), (195, 81719), (209, 76245), (221, 72105), (247, 64515), (253, 62985), (255, 62491), (285, 55913), (299, 53295), (323, 49335), (345, 46189), (391, 40755), (429, 37145), (437, 36465), (561, 28405), (627, 25415), (663, 24035), (715, 22287), (741, 21505), (759, 20995), (897, 17765), (935, 17043), (969, 16445), (1045, 15249), (1105, 14421), (1173, 13585), (1235, 12903), (1265, 12597), (1311, 12155), (1495, 10659), (1615, 9867), (1955, 8151), (2145, 7429), (2185, 7293), (2431, 6555), (2717, 5865), (2805, 5681), (3135, 5083), (3289, 4845), (3315, 4807), (3553, 4485), (3705, 4301), (3795, 4199)]