155950005

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 281917440

約数和(自身を除く): 125967435

約数列:

[1, 3, 5, 15, 19, 23, 37, 57, 69, 95, 111, 115, 185, 285, 345, 437, 555, 643, 703, 851, 1311, 1929, 2109, 2185, 2553, 3215, 3515, 4255, 6555, 9645, 10545, 12217, 12765, 14789, 16169, 23791, 36651, 44367, 48507, 61085, 71373, 73945, 80845, 118955, 183255, 221835, 242535, 280991, 356865, 452029, 547193, 842973, 1356087, 1404955, 1641579, 2260145, 2735965, 4214865, 6780435, 8207895, 10396667, 31190001, 51983335, 155950005]

約数ペア:

[(1, 155950005), (3, 51983335), (5, 31190001), (15, 10396667), (19, 8207895), (23, 6780435), (37, 4214865), (57, 2735965), (69, 2260145), (95, 1641579), (111, 1404955), (115, 1356087), (185, 842973), (285, 547193), (345, 452029), (437, 356865), (555, 280991), (643, 242535), (703, 221835), (851, 183255), (1311, 118955), (1929, 80845), (2109, 73945), (2185, 71373), (2553, 61085), (3215, 48507), (3515, 44367), (4255, 36651), (6555, 23791), (9645, 16169), (10545, 14789), (12217, 12765)]