72891645

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 127491840

約数和(自身を除く): 54600195

約数列:

[1, 3, 5, 15, 29, 41, 61, 67, 87, 123, 145, 183, 201, 205, 305, 335, 435, 615, 915, 1005, 1189, 1769, 1943, 2501, 2747, 3567, 4087, 5307, 5829, 5945, 7503, 8241, 8845, 9715, 12261, 12505, 13735, 17835, 20435, 26535, 29145, 37515, 41205, 61305, 72529, 79663, 118523, 167567, 217587, 238989, 355569, 362645, 398315, 502701, 592615, 837835, 1087935, 1194945, 1777845, 2513505, 4859443, 14578329, 24297215, 72891645]

約数ペア:

[(1, 72891645), (3, 24297215), (5, 14578329), (15, 4859443), (29, 2513505), (41, 1777845), (61, 1194945), (67, 1087935), (87, 837835), (123, 592615), (145, 502701), (183, 398315), (201, 362645), (205, 355569), (305, 238989), (335, 217587), (435, 167567), (615, 118523), (915, 79663), (1005, 72529), (1189, 61305), (1769, 41205), (1943, 37515), (2501, 29145), (2747, 26535), (3567, 20435), (4087, 17835), (5307, 13735), (5829, 12505), (5945, 12261), (7503, 9715), (8241, 8845)]