15917516475

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{733}}^1$

素因数の和:1090

約数の個数: 144

約数和(自身を含む): 32372570880

約数和(自身を除く): 16455054405

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 49, 57, 75, 95, 105, 133, 147, 175, 245, 285, 311, 399, 475, 525, 665, 733, 735, 931, 933, 1225, 1425, 1555, 1995, 2177, 2199, 2793, 3325, 3665, 3675, 4655, 4665, 5131, 5909, 6531, 7775, 9975, 10885, 10995, 13927, 13965, 15239, 15393, 17727, 18325, 23275, 23325, 25655, 29545, 32655, 35917, 41363, 41781, 45717, 54425, 54975, 69635, 69825, 76195, 76965, 88635, 97489, 107751, 124089, 128275, 147725, 163275, 179585, 206815, 208905, 227963, 228585, 289541, 292467, 348175, 380975, 384825, 443175, 487445, 538755, 620445, 682423, 683889, 868623, 897925, 1034075, 1044525, 1139815, 1142925, 1447705, 1462335, 1595741, 2047269, 2437225, 2693775, 3102225, 3412115, 3419445, 4331297, 4343115, 4787223, 5699075, 7238525, 7311675, 7978705, 10236345, 11170187, 12993891, 17060575, 17097225, 21656485, 21715575, 23936115, 30319079, 33510561, 39893525, 51181725, 55850935, 64969455, 90957237, 108282425, 119680575, 151595395, 167552805, 212233553, 279254675, 324847275, 454786185, 636700659, 757976975, 837764025, 1061167765, 2273930925, 3183503295, 5305838825, 15917516475]

約数ペア:

[(1, 15917516475), (3, 5305838825), (5, 3183503295), (7, 2273930925), (15, 1061167765), (19, 837764025), (21, 757976975), (25, 636700659), (35, 454786185), (49, 324847275), (57, 279254675), (75, 212233553), (95, 167552805), (105, 151595395), (133, 119680575), (147, 108282425), (175, 90957237), (245, 64969455), (285, 55850935), (311, 51181725), (399, 39893525), (475, 33510561), (525, 30319079), (665, 23936115), (733, 21715575), (735, 21656485), (931, 17097225), (933, 17060575), (1225, 12993891), (1425, 11170187), (1555, 10236345), (1995, 7978705), (2177, 7311675), (2199, 7238525), (2793, 5699075), (3325, 4787223), (3665, 4343115), (3675, 4331297), (4655, 3419445), (4665, 3412115), (5131, 3102225), (5909, 2693775), (6531, 2437225), (7775, 2047269), (9975, 1595741), (10885, 1462335), (10995, 1447705), (13927, 1142925), (13965, 1139815), (15239, 1044525), (15393, 1034075), (17727, 897925), (18325, 868623), (23275, 683889), (23325, 682423), (25655, 620445), (29545, 538755), (32655, 487445), (35917, 443175), (41363, 384825), (41781, 380975), (45717, 348175), (54425, 292467), (54975, 289541), (69635, 228585), (69825, 227963), (76195, 208905), (76965, 206815), (88635, 179585), (97489, 163275), (107751, 147725), (124089, 128275)]