15207885

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1$

素因数の和:69

約数の個数: 144

約数和(自身を含む): 36388800

約数和(自身を除く): 21180915

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 27, 33, 35, 45, 49, 55, 57, 63, 77, 95, 99, 105, 121, 133, 135, 147, 165, 171, 189, 209, 231, 245, 285, 297, 315, 363, 385, 399, 441, 495, 513, 539, 605, 627, 665, 693, 735, 847, 855, 931, 945, 1045, 1089, 1155, 1197, 1323, 1463, 1485, 1617, 1815, 1881, 1995, 2079, 2205, 2299, 2541, 2565, 2695, 2793, 3135, 3267, 3465, 3591, 4235, 4389, 4655, 4851, 5445, 5643, 5929, 5985, 6615, 6897, 7315, 7623, 8085, 8379, 9405, 10241, 10395, 11495, 12705, 13167, 13965, 14553, 16093, 16335, 17787, 17955, 20691, 21945, 22869, 24255, 25137, 28215, 29645, 30723, 34485, 38115, 39501, 41895, 48279, 51205, 53361, 62073, 65835, 72765, 80465, 88935, 92169, 103455, 112651, 114345, 125685, 144837, 153615, 160083, 197505, 241395, 266805, 276507, 310365, 337953, 434511, 460845, 563255, 724185, 800415, 1013859, 1382535, 1689765, 2172555, 3041577, 5069295, 15207885]

約数ペア:

[(1, 15207885), (3, 5069295), (5, 3041577), (7, 2172555), (9, 1689765), (11, 1382535), (15, 1013859), (19, 800415), (21, 724185), (27, 563255), (33, 460845), (35, 434511), (45, 337953), (49, 310365), (55, 276507), (57, 266805), (63, 241395), (77, 197505), (95, 160083), (99, 153615), (105, 144837), (121, 125685), (133, 114345), (135, 112651), (147, 103455), (165, 92169), (171, 88935), (189, 80465), (209, 72765), (231, 65835), (245, 62073), (285, 53361), (297, 51205), (315, 48279), (363, 41895), (385, 39501), (399, 38115), (441, 34485), (495, 30723), (513, 29645), (539, 28215), (605, 25137), (627, 24255), (665, 22869), (693, 21945), (735, 20691), (847, 17955), (855, 17787), (931, 16335), (945, 16093), (1045, 14553), (1089, 13965), (1155, 13167), (1197, 12705), (1323, 11495), (1463, 10395), (1485, 10241), (1617, 9405), (1815, 8379), (1881, 8085), (1995, 7623), (2079, 7315), (2205, 6897), (2299, 6615), (2541, 5985), (2565, 5929), (2695, 5643), (2793, 5445), (3135, 4851), (3267, 4655), (3465, 4389), (3591, 4235)]